438630976 has 56 divisors (see below), whose sum is σ = 1038026880. Its totient is φ = 179807232.

The previous prime is 438630943. The next prime is 438631009. The reversal of 438630976 is 679036834.

It is an interprime number because it is at equal distance from previous prime (438630943) and next prime (438631009).

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10981 + ... + 31588.

Almost surely, 2^438630976 is an apocalyptic number.

438630976 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

438630976 is an abundant number, since it is smaller than the sum of its proper divisors (599395904).

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

438630976 is a wasteful number, since it uses less digits than its factorization.

438630976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42611 (or 42601 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 438630976 is about 20943.5187110476. The cubic root of 438630976 is about 759.8008342377.

The spelling of 438630976 in words is "four hundred thirty-eight million, six hundred thirty thousand, nine hundred seventy-six".