439680764 has 12 divisors (see below), whose sum is σ = 774162984. Its totient is φ = 218491344.

The previous prime is 439680763. The next prime is 439680779. The reversal of 439680764 is 467086934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439680763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336527 + ... + 337830.

It is an arithmetic number, because the mean of its divisors is an integer number (64513582).

Almost surely, 2^439680764 is an apocalyptic number.

It is an amenable number.

439680764 is a deficient number, since it is larger than the sum of its proper divisors (334482220).

439680764 is a wasteful number, since it uses less digits than its factorization.

439680764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674524 (or 674522 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 439680764 is about 20968.5660930832. The cubic root of 439680764 is about 760.4065022947.

The spelling of 439680764 in words is "four hundred thirty-nine million, six hundred eighty thousand, seven hundred sixty-four".