39656868 has 24 divisors (see below), whose sum is σ = 93017568. Its totient is φ = 13149696.

The previous prime is 39656867. The next prime is 39656921. The reversal of 39656868 is 86865693.

39656868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39656868.

It is not an unprimeable number, because it can be changed into a prime (39656863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6246 + ... + 10877.

It is an arithmetic number, because the mean of its divisors is an integer number (3875732).

Almost surely, 2^39656868 is an apocalyptic number.

It is an amenable number.

39656868 is an abundant number, since it is smaller than the sum of its proper divisors (53360700).

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

39656868 is a wasteful number, since it uses less digits than its factorization.

39656868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17323 (or 17321 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 39656868 is about 6297.3699271998. The cubic root of 39656868 is about 341.0144672127.

The spelling of 39656868 in words is "thirty-nine million, six hundred fifty-six thousand, eight hundred sixty-eight".