438344804 has 12 divisors (see below), whose sum is σ = 768681984. Its totient is φ = 218721384.

The previous prime is 438344791. The next prime is 438344857. The reversal of 438344804 is 408443834.

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, 110564 + ... + 114459.

It is an arithmetic number, because the mean of its divisors is an integer number (64056832).

Almost surely, 2^438344804 is an apocalyptic number.

It is an amenable number.

438344804 is a deficient number, since it is larger than the sum of its proper divisors (330337180).

438344804 is a wasteful number, since it uses less digits than its factorization.

438344804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225514 (or 225512 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The square root of 438344804 is about 20936.6856020718. The cubic root of 438344804 is about 759.6355616514.

The spelling of 438344804 in words is "four hundred thirty-eight million, three hundred forty-four thousand, eight hundred four".