438619152 has 20 divisors (see below), whose sum is σ = 1133099600. Its totient is φ = 146206368.

The previous prime is 438619147. The next prime is 438619163. The reversal of 438619152 is 251916834.

It is a self number, because there is not a number n which added to its sum of digits gives 438619152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4568902 + ... + 4568997.

It is an arithmetic number, because the mean of its divisors is an integer number (56654980).

Almost surely, 2^438619152 is an apocalyptic number.

It is an amenable number.

438619152 is an abundant number, since it is smaller than the sum of its proper divisors (694480448).

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

438619152 is a wasteful number, since it uses less digits than its factorization.

438619152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137910 (or 9137904 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 438619152 is about 20943.2364261114. The cubic root of 438619152 is about 759.7940069605.

The spelling of 438619152 in words is "four hundred thirty-eight million, six hundred nineteen thousand, one hundred fifty-two".