438934432 has 12 divisors (see below), whose sum is σ = 864152226. Its totient is φ = 219467200.

The previous prime is 438934421. The next prime is 438934439. The reversal of 438934432 is 234439834.

It can be written as a sum of positive squares in only one way, i.e., 424524816 + 14409616 = 20604^2 + 3796^2 .

It is not an unprimeable number, because it can be changed into a prime (438934439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6858319 + ... + 6858382.

Almost surely, 2^438934432 is an apocalyptic number.

It is an amenable number.

438934432 is a deficient number, since it is larger than the sum of its proper divisors (425217794).

438934432 is a wasteful number, since it uses less digits than its factorization.

438934432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13716711 (or 13716703 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 438934432 is about 20950.7620863777. The cubic root of 438934432 is about 759.9760103231.

The spelling of 438934432 in words is "four hundred thirty-eight million, nine hundred thirty-four thousand, four hundred thirty-two".