438770364 has 24 divisors (see below), whose sum is σ = 1030581888. Its totient is φ = 145287600.

The previous prime is 438770351. The next prime is 438770389. The reversal of 438770364 is 463077834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119262 + ... + 122885.

It is an arithmetic number, because the mean of its divisors is an integer number (42940912).

Almost surely, 2^438770364 is an apocalyptic number.

It is an amenable number.

438770364 is an abundant number, since it is smaller than the sum of its proper divisors (591811524).

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

438770364 is a wasteful number, since it uses less digits than its factorization.

438770364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242305 (or 242303 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 438770364 is about 20946.8461587896. The cubic root of 438770364 is about 759.8813087961.

The spelling of 438770364 in words is "four hundred thirty-eight million, seven hundred seventy thousand, three hundred sixty-four".