38043864 has 32 divisors (see below), whose sum is σ = 105678000. Its totient is φ = 12681216.

The previous prime is 38043857. The next prime is 38043893. The reversal of 38043864 is 46834083.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 87849 + ... + 88280.

Almost surely, 2^38043864 is an apocalyptic number.

It is an amenable number.

38043864 is an abundant number, since it is smaller than the sum of its proper divisors (67634136).

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

38043864 is a wasteful number, since it uses less digits than its factorization.

38043864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176144 (or 176134 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 38043864 is about 6167.9708170516. The cubic root of 38043864 is about 336.3268503145.

It can be divided in two parts, 380 and 43864, that added together give a palindrome (44244).

The spelling of 38043864 in words is "thirty-eight million, forty-three thousand, eight hundred sixty-four".