438 in words
438
four hundred thirty-eight
438 is written four hundred thirty-eight.
Ways to write it
- As an ordinal
- four hundred thirty-eighth
- Roman numeral
- CDXXXVIII
- Expanded form
- 400 + 30 + 8
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 4 | 400 |
| tens | 3 | 30 |
| ones | 8 | 8 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 6, 73, 146, 219 and 438 (8 factors)
- First 10 multiples
- 438, 876, 1,314, 1,752, 2,190, 2,628, 3,066, 3,504, 3,942, 4,380
- Square
- 438 × 438 = 191,844
- Square root
- ≈ 20.93
- Sum of the digits
- 4 + 3 + 8 = 15
- Rounded to the nearest 10
- 440
- Rounded to the nearest 100
- 400
- Number before
- 437
- Number after
- 439
- In binary
110110110
Quick check
What number comes just after 438?
Show the answer
439
Is 438 even or odd?
Show the answer
Even
What is 438 + 10?
Show the answer
448
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 438 in words?
438 is written "four hundred thirty-eight".
Is 438 a prime number?
No. 438 is a composite number, because it has more than two factors.
What are the factors of 438?
The factors of 438 are 1, 2, 3, 6, 73, 146, 219 and 438.
How do you write 438 in Roman numerals?
438 in Roman numerals is CDXXXVIII.