38685388 has 12 divisors (see below), whose sum is σ = 77370832. Its totient is φ = 16579440.

The previous prime is 38685359. The next prime is 38685397. The reversal of 38685388 is 88358683.

38685388 is an admirable 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, 690783 + ... + 690838.

Almost surely, 2^38685388 is an apocalyptic number.

It is an amenable number.

38685388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38685388 is a wasteful number, since it uses less digits than its factorization.

38685388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381632 (or 1381630 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 38685388 is about 6219.7578731008. The cubic root of 38685388 is about 338.2067873193.

The spelling of 38685388 in words is "thirty-eight million, six hundred eighty-five thousand, three hundred eighty-eight".