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489

Number 489: Properties, Factors, and Mathematical Facts

Short answer

The number 489 is an odd composite number with 4 positive divisors. Its prime factorization is 3 × 163. It is also a deficient number, which gives it several notable mathematical relationships.

Is 489 prime?

ClassificationCompositeParityOddDivisor count4AbundanceDeficient

What is the prime factorization of 489?

Prime factorization

489 =
3 times 163
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What are the divisors of 489?

Divisor count

4

Divisor sum

656

Proper divisor sum

167
  • 1
  • 3
  • 163
  • 489
Learn more →Learn more →

How is 489 classified?

Prime

CompositeLearn more →

Perfect square

No

Perfect cube

No

Fibonacci

No

Triangular

No

Power of two

No
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How is 489 represented in other numeral systems?

Decimal

489

Binary

111101001
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Octal

751

Hexadecimal

1E9
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Roman

CDLXXXIXLearn more →

In words

four hundred eighty nine

Roots and powers

Square root

22.113344 Approximate

Cube root

7.878368 Approximate

Nearest lower square

484

Nearest higher square

529

Nearest lower cube

343

Nearest higher cube

512

What are the digit properties of 489?

Digit count

3

Digit sum

21Learn more →

Digit product

288

Digital root

3

Reversed number

984

Which numbers are related to 489?

488· Previous490· Next487· Previous prime491· Next prime3· Prime factor163· Prime factor484· Lower square529· Higher square465· Previous triangular496· Next triangular978· Double984· Reverse

Why these results are true

  • 489 is composite because it has positive divisors other than 1 and itself.

Compare this number

FAQ for 489

Is 489 prime?
No
What is the prime factorization of 489?
3 × 163
Is 489 a perfect square?
No
What is 489 in binary?
111101001
What is 489 in Roman numerals?
CDLXXXIX

Read calculation methodology