39990676 has 12 divisors (see below), whose sum is σ = 76345920. Its totient is φ = 18177560.

The previous prime is 39990661. The next prime is 39990697. The reversal of 39990676 is 67609993.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454396 + ... + 454483.

It is an arithmetic number, because the mean of its divisors is an integer number (6362160).

Almost surely, 2^39990676 is an apocalyptic number.

It is an amenable number.

39990676 is a deficient number, since it is larger than the sum of its proper divisors (36355244).

39990676 is a wasteful number, since it uses less digits than its factorization.

39990676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908894 (or 908892 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 49.

The square root of 39990676 is about 6323.8181504531. The cubic root of 39990676 is about 341.9686142441.

The spelling of 39990676 in words is "thirty-nine million, nine hundred ninety thousand, six hundred seventy-six".