38985892 has 12 divisors (see below), whose sum is σ = 74427696. Its totient is φ = 17720840.

The previous prime is 38985883. The next prime is 38985911. The reversal of 38985892 is 29858983.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

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, 442978 + ... + 443065.

It is an arithmetic number, because the mean of its divisors is an integer number (6202308).

Almost surely, 2^38985892 is an apocalyptic number.

It is an amenable number.

38985892 is a deficient number, since it is larger than the sum of its proper divisors (35441804).

38985892 is a wasteful number, since it uses less digits than its factorization.

38985892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886058 (or 886056 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 52.

The square root of 38985892 is about 6243.8683522317. The cubic root of 38985892 is about 339.0802477363.

The spelling of 38985892 in words is "thirty-eight million, nine hundred eighty-five thousand, eight hundred ninety-two".