38863988 has 12 divisors (see below), whose sum is σ = 68063520. Its totient is φ = 19417272.

The previous prime is 38863969. The next prime is 38863991. The reversal of 38863988 is 88936883.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4073 + ... + 9711.

It is an arithmetic number, because the mean of its divisors is an integer number (5671960).

Almost surely, 2^38863988 is an apocalyptic number.

It is an amenable number.

38863988 is a deficient number, since it is larger than the sum of its proper divisors (29199532).

38863988 is a wasteful number, since it uses less digits than its factorization.

38863988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366 (or 7364 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 53.

The square root of 38863988 is about 6234.0988121781. The cubic root of 38863988 is about 338.7264582433.

The spelling of 38863988 in words is "thirty-eight million, eight hundred sixty-three thousand, nine hundred eighty-eight".