39664804 has 27 divisors (see below), whose sum is σ = 71996043. Its totient is φ = 19120728.

The previous prime is 39664771. The next prime is 39664817. The reversal of 39664804 is 40846693.

The square root of 39664804 is 6298.

It is a perfect power (a square), and thus also a powerful number.

39664804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 591979 + ... + 592045.

Almost surely, 2^39664804 is an apocalyptic number.

39664804 is the 6298-th square number.

It is an amenable number.

39664804 is a deficient number, since it is larger than the sum of its proper divisors (32331239).

39664804 is an equidigital number, since it uses as much as digits as its factorization.

39664804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The cubic root of 39664804 is about 341.0372132543.

The spelling of 39664804 in words is "thirty-nine million, six hundred sixty-four thousand, eight hundred four".