38663868 has 24 divisors (see below), whose sum is σ = 90316240. Its totient is φ = 12873600.

The previous prime is 38663843. The next prime is 38663957. The reversal of 38663868 is 86836683.

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, 20568 + ... + 22368.

Almost surely, 2^38663868 is an apocalyptic number.

It is an amenable number.

38663868 is an abundant number, since it is smaller than the sum of its proper divisors (51652372).

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

38663868 is a wasteful number, since it uses less digits than its factorization.

38663868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597 (or 3595 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 38663868 is about 6218.0276615660. The cubic root of 38663868 is about 338.1440628606.

The spelling of 38663868 in words is "thirty-eight million, six hundred sixty-three thousand, eight hundred sixty-eight".