438907332 has 48 divisors (see below), whose sum is σ = 1034111232. Its totient is φ = 144883200.

The previous prime is 438907319. The next prime is 438907361. The reversal of 438907332 is 233709834.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947733 + ... + 948195.

It is an arithmetic number, because the mean of its divisors is an integer number (21543984).

Almost surely, 2^438907332 is an apocalyptic number.

It is an amenable number.

438907332 is an abundant number, since it is smaller than the sum of its proper divisors (595203900).

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

438907332 is a wasteful number, since it uses less digits than its factorization.

438907332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 438907332 is about 20950.1153218783. The cubic root of 438907332 is about 759.9603695863.

The spelling of 438907332 in words is "four hundred thirty-eight million, nine hundred seven thousand, three hundred thirty-two".