38994188 has 6 divisors (see below), whose sum is σ = 68239836. Its totient is φ = 19497092.

The previous prime is 38994169. The next prime is 38994199. The reversal of 38994188 is 88149983.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4874270 + ... + 4874277.

It is an arithmetic number, because the mean of its divisors is an integer number (11373306).

Almost surely, 2^38994188 is an apocalyptic number.

It is an amenable number.

38994188 is a deficient number, since it is larger than the sum of its proper divisors (29245648).

38994188 is a wasteful number, since it uses less digits than its factorization.

38994188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748551 (or 9748549 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 38994188 is about 6244.5326486455. The cubic root of 38994188 is about 339.1042975492.

The spelling of 38994188 in words is "thirty-eight million, nine hundred ninety-four thousand, one hundred eighty-eight".