38639604 has 12 divisors (see below), whose sum is σ = 90159104. Its totient is φ = 12879864.

The previous prime is 38639599. The next prime is 38639633. The reversal of 38639604 is 40693683.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1609972 + ... + 1609995.

Almost surely, 2^38639604 is an apocalyptic number.

It is an amenable number.

38639604 is an abundant number, since it is smaller than the sum of its proper divisors (51519500).

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

38639604 is a wasteful number, since it uses less digits than its factorization.

38639604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219974 (or 3219972 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 38639604 is about 6216.0762543585. The cubic root of 38639604 is about 338.0733125288.

The spelling of 38639604 in words is "thirty-eight million, six hundred thirty-nine thousand, six hundred four".