38485864 has 8 divisors (see below), whose sum is σ = 72161010. Its totient is φ = 19242928.

The previous prime is 38485801. The next prime is 38485873. The reversal of 38485864 is 46858483.

It can be written as a sum of positive squares in only one way, i.e., 24423364 + 14062500 = 4942^2 + 3750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2405359 + ... + 2405374.

Almost surely, 2^38485864 is an apocalyptic number.

It is an amenable number.

38485864 is a deficient number, since it is larger than the sum of its proper divisors (33675146).

38485864 is a wasteful number, since it uses less digits than its factorization.

38485864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810739 (or 4810735 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 38485864 is about 6203.6976070727. The cubic root of 38485864 is about 337.6243390058.

The spelling of 38485864 in words is "thirty-eight million, four hundred eighty-five thousand, eight hundred sixty-four".