39924964 has 12 divisors (see below), whose sum is σ = 72906624. Its totient is φ = 19094504.

The previous prime is 39924923. The next prime is 39924971. The reversal of 39924964 is 46942993.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 216892 + ... + 217075.

It is an arithmetic number, because the mean of its divisors is an integer number (6075552).

Almost surely, 2^39924964 is an apocalyptic number.

It is an amenable number.

39924964 is a deficient number, since it is larger than the sum of its proper divisors (32981660).

39924964 is a wasteful number, since it uses less digits than its factorization.

39924964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433994 (or 433992 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 39924964 is about 6318.6204190472. The cubic root of 39924964 is about 341.7812058838.

The spelling of 39924964 in words is "thirty-nine million, nine hundred twenty-four thousand, nine hundred sixty-four".