39976968 has 32 divisors (see below), whose sum is σ = 102382560. Its totient is φ = 13000320.

The previous prime is 39976939. The next prime is 39976991. The reversal of 39976968 is 86967993.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19330 + ... + 21297.

It is an arithmetic number, because the mean of its divisors is an integer number (3199455).

Almost surely, 2^39976968 is an apocalyptic number.

It is an amenable number.

39976968 is an abundant number, since it is smaller than the sum of its proper divisors (62405592).

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

39976968 is a wasteful number, since it uses less digits than its factorization.

39976968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40677 (or 40673 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 39976968 is about 6322.7342186747. The cubic root of 39976968 is about 341.9295364561.

Subtracting 39976968 from its reverse (86967993), we obtain a square (46991025 = 6855²).

The spelling of 39976968 in words is "thirty-nine million, nine hundred seventy-six thousand, nine hundred sixty-eight".