38642496 has 56 divisors (see below), whose sum is σ = 108264960. Its totient is φ = 12122112.

The previous prime is 38642473. The next prime is 38642501. The reversal of 38642496 is 69424683.

It is a happy number.

It is a super-2 number, since 2×38642496² = 2986484994220032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2656 + ... + 9183.

Almost surely, 2^38642496 is an apocalyptic number.

It is an amenable number.

38642496 is an abundant number, since it is smaller than the sum of its proper divisors (69622464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38642496 is a wasteful number, since it uses less digits than its factorization.

38642496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871 (or 11861 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 38642496 is about 6216.3088726349. The cubic root of 38642496 is about 338.0817467391.

The spelling of 38642496 in words is "thirty-eight million, six hundred forty-two thousand, four hundred ninety-six".