38890624 has 32 divisors (see below), whose sum is σ = 80156700. Its totient is φ = 18772992.

The previous prime is 38890609. The next prime is 38890633. The reversal of 38890624 is 42609883.

It can be written as a sum of positive squares in 2 ways, for example, as 38044224 + 846400 = 6168^2 + 920^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527 + ... + 8950.

Almost surely, 2^38890624 is an apocalyptic number.

It is an amenable number.

38890624 is an abundant number, since it is smaller than the sum of its proper divisors (41266076).

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

38890624 is a wasteful number, since it uses less digits than its factorization.

38890624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10520 (or 10508 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 38890624 is about 6236.2347614566. The cubic root of 38890624 is about 338.8038242746.

The spelling of 38890624 in words is "thirty-eight million, eight hundred ninety thousand, six hundred twenty-four".