39968208 has 80 divisors (see below), whose sum is σ = 131122560. Its totient is φ = 11418624.

The previous prime is 39968197. The next prime is 39968219. The reversal of 39968208 is 80286993.

39968208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39968197) and next prime (39968219).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3585 + ... + 9632.

It is an arithmetic number, because the mean of its divisors is an integer number (1639032).

Almost surely, 2^39968208 is an apocalyptic number.

It is an amenable number.

39968208 is an abundant number, since it is smaller than the sum of its proper divisors (91154352).

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

39968208 is a wasteful number, since it uses less digits than its factorization.

39968208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13241 (or 13229 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 39968208 is about 6322.0414424456. The cubic root of 39968208 is about 341.9045593947.

The spelling of 39968208 in words is "thirty-nine million, nine hundred sixty-eight thousand, two hundred eight".