4638

4638 is a natural number that follows 4637 and precedes 4639. In decimal notation, it is an even, composite number.

4638 factors as 2 × 3 × 773, where 773 is a prime. The number is squarefree and divisible by 6, and thus can be expressed as 6 × 773. Its Euler totient is φ(4638) = 1544.

In other bases, 4638 is represented as binary 1001000011110, octal 11036, and hexadecimal 0x121E.

The sum of its digits is 4 + 6 + 3 + 8 = 21, giving a digital root of 3; thus 4638 is divisible by 3 but not by 9. It is not a prime, nor a power of a prime.

As a number in mathematics, 4638 does not have widely noted constants or cultural significance beyond its properties as a composite, squarefree multiple of 6. It appears in the sequence of integers and, in factor terms, as a product of small primes and a larger prime. It is a member of the arithmetic progression of multiples of 6.