39790864 has 45 divisors (see below), whose sum is σ = 82358103. Its totient is φ = 18621216.

The previous prime is 39790853. The next prime is 39790889. The reversal of 39790864 is 46809793.

The square root of 39790864 is 6308.

It is a perfect power (a square), and thus also a powerful 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 8 ways as a sum of consecutive naturals, for example, 479367 + ... + 479449.

Almost surely, 2^39790864 is an apocalyptic number.

39790864 is the 6308-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39790864

39790864 is an abundant number, since it is smaller than the sum of its proper divisors (42567239).

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

39790864 is an equidigital number, since it uses as much as digits as its factorization.

39790864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The cubic root of 39790864 is about 341.3981183318.

The spelling of 39790864 in words is "thirty-nine million, seven hundred ninety thousand, eight hundred sixty-four".