438882928 has 20 divisors (see below), whose sum is σ = 927639288. Its totient is φ = 199492160.

The previous prime is 438882923. The next prime is 438882929. The reversal of 438882928 is 829288834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438882923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246651 + ... + 1247002.

Almost surely, 2^438882928 is an apocalyptic number.

It is an amenable number.

438882928 is an abundant number, since it is smaller than the sum of its proper divisors (488756360).

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

438882928 is a wasteful number, since it uses less digits than its factorization.

438882928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493672 (or 2493666 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The square root of 438882928 is about 20949.5328826206. The cubic root of 438882928 is about 759.9462842922.

The spelling of 438882928 in words is "four hundred thirty-eight million, eight hundred eighty-two thousand, nine hundred twenty-eight".