38665868 has 6 divisors (see below), whose sum is σ = 67665276. Its totient is φ = 19332932.

The previous prime is 38665859. The next prime is 38665873. The reversal of 38665868 is 86856683.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4833230 + ... + 4833237.

It is an arithmetic number, because the mean of its divisors is an integer number (11277546).

Almost surely, 2^38665868 is an apocalyptic number.

It is an amenable number.

38665868 is a deficient number, since it is larger than the sum of its proper divisors (28999408).

38665868 is a wasteful number, since it uses less digits than its factorization.

38665868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666471 (or 9666469 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 38665868 is about 6218.1884821868. The cubic root of 38665868 is about 338.1498932521.

The spelling of 38665868 in words is "thirty-eight million, six hundred sixty-five thousand, eight hundred sixty-eight".