438896682 has 48 divisors (see below), whose sum is σ = 1087998912. Its totient is φ = 125259840.

The previous prime is 438896663. The next prime is 438896737. The reversal of 438896682 is 286698834.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178582 + ... + 181022.

It is an arithmetic number, because the mean of its divisors is an integer number (22666644).

Almost surely, 2^438896682 is an apocalyptic number.

438896682 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

438896682 is an abundant number, since it is smaller than the sum of its proper divisors (649102230).

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

438896682 is a wasteful number, since it uses less digits than its factorization.

438896682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883 (or 3880 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 438896682 is about 20949.8611451246. The cubic root of 438896682 is about 759.9542227737.

The spelling of 438896682 in words is "four hundred thirty-eight million, eight hundred ninety-six thousand, six hundred eighty-two".