38920868 has 24 divisors (see below), whose sum is σ = 79313472. Its totient is φ = 16365024.

The previous prime is 38920823. The next prime is 38920883. The reversal of 38920868 is 86802983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11630 + ... + 14597.

It is an arithmetic number, because the mean of its divisors is an integer number (3304728).

Almost surely, 2^38920868 is an apocalyptic number.

It is an amenable number.

38920868 is an abundant number, since it is smaller than the sum of its proper divisors (40392604).

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

38920868 is a wasteful number, since it uses less digits than its factorization.

38920868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26291 (or 26289 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 38920868 is about 6238.6591508112. The cubic root of 38920868 is about 338.8916271669.

The spelling of 38920868 in words is "thirty-eight million, nine hundred twenty thousand, eight hundred sixty-eight".