38912538 has 16 divisors (see below), whose sum is σ = 88943040. Its totient is φ = 11117856.

The previous prime is 38912509. The next prime is 38912543. The reversal of 38912538 is 83521983.

It is a super-2 number, since 2×38912538² = 3028371227202888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38912496 and 38912505.

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, 463203 + ... + 463286.

It is an arithmetic number, because the mean of its divisors is an integer number (5558940).

Almost surely, 2^38912538 is an apocalyptic number.

38912538 is an abundant number, since it is smaller than the sum of its proper divisors (50030502).

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

38912538 is a wasteful number, since it uses less digits than its factorization.

38912538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926501.

The product of its digits is 51840, while the sum is 39.

The square root of 38912538 is about 6237.9915036813. The cubic root of 38912538 is about 338.8674484609.

The spelling of 38912538 in words is "thirty-eight million, nine hundred twelve thousand, five hundred thirty-eight".