38318664 has 32 divisors (see below), whose sum is σ = 96193440. Its totient is φ = 12720000.

The previous prime is 38318647. The next prime is 38318681. The reversal of 38318664 is 46681383.

It is an interprime number because it is at equal distance from previous prime (38318647) and next prime (38318681).

It is a nude number because it is divisible by every one of its digits.

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, 2844 + ... + 9204.

It is an arithmetic number, because the mean of its divisors is an integer number (3006045).

Almost surely, 2^38318664 is an apocalyptic number.

It is an amenable number.

38318664 is an abundant number, since it is smaller than the sum of its proper divisors (57874776).

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

38318664 is a wasteful number, since it uses less digits than its factorization.

38318664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621 (or 6617 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 38318664 is about 6190.2071047744. The cubic root of 38318664 is about 337.1346983019.

It can be divided in two parts, 383186 and 64, that added together give a triangular number (383250 = T₈₇₅).

The spelling of 38318664 in words is "thirty-eight million, three hundred eighteen thousand, six hundred sixty-four".