39239868 has 12 divisors (see below), whose sum is σ = 91559720. Its totient is φ = 13079952.

The previous prime is 39239867. The next prime is 39239873. The reversal of 39239868 is 86893293.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39239867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634983 + ... + 1635006.

Almost surely, 2^39239868 is an apocalyptic number.

It is an amenable number.

39239868 is an abundant number, since it is smaller than the sum of its proper divisors (52319852).

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

39239868 is a wasteful number, since it uses less digits than its factorization.

39239868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269996 (or 3269994 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 39239868 is about 6264.1733692483. The cubic root of 39239868 is about 339.8149742997.

The spelling of 39239868 in words is "thirty-nine million, two hundred thirty-nine thousand, eight hundred sixty-eight".