39693868 has 6 divisors (see below), whose sum is σ = 69464276. Its totient is φ = 19846932.

The previous prime is 39693847. The next prime is 39693881. The reversal of 39693868 is 86839693.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961730 + ... + 4961737.

Almost surely, 2^39693868 is an apocalyptic number.

It is an amenable number.

39693868 is a deficient number, since it is larger than the sum of its proper divisors (29770408).

39693868 is a wasteful number, since it uses less digits than its factorization.

39693868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9923471 (or 9923469 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The square root of 39693868 is about 6300.3069766480. The cubic root of 39693868 is about 341.1204901531.

The spelling of 39693868 in words is "thirty-nine million, six hundred ninety-three thousand, eight hundred sixty-eight".