439 in words
439
four hundred and thirty-nine
439 is written four hundred and thirty-nine.
Ways to write it
- As an ordinal
- four hundred and thirty-ninth
- Roman numeral
- CDXXXIX
- Expanded form
- 400 + 30 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 4 | 400 |
| tens | 3 | 30 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 439 (2 factors)
- First 10 multiples
- 439, 878, 1,317, 1,756, 2,195, 2,634, 3,073, 3,512, 3,951, 4,390
- Square
- 439 × 439 = 192,721
- Square root
- ≈ 20.95
- Sum of the digits
- 4 + 3 + 9 = 16
- Rounded to the nearest 10
- 440
- Rounded to the nearest 100
- 400
- Number before
- 438
- Number after
- 440
- In binary
110110111
Quick check
What number comes just after 439?
Show the answer
440
Is 439 even or odd?
Show the answer
Odd
What is 439 + 10?
Show the answer
449
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 439 in words?
439 is written "four hundred and thirty-nine".
Is 439 a prime number?
Yes. 439 is a prime number: its only factors are 1 and 439.
What are the factors of 439?
The factors of 439 are 1 and 439.
How do you write 439 in Roman numerals?
439 in Roman numerals is CDXXXIX.