438648472 has 16 divisors (see below), whose sum is σ = 822688560. Its totient is φ = 219264864.

The previous prime is 438648449. The next prime is 438648493. The reversal of 438648472 is 274846834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51373 + ... + 59299.

It is an arithmetic number, because the mean of its divisors is an integer number (51418035).

Almost surely, 2^438648472 is an apocalyptic number.

It is an amenable number.

438648472 is a deficient number, since it is larger than the sum of its proper divisors (384040088).

438648472 is a wasteful number, since it uses less digits than its factorization.

438648472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14850 (or 14846 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The square root of 438648472 is about 20943.9364017369. The cubic root of 438648472 is about 759.8109363504.

The spelling of 438648472 in words is "four hundred thirty-eight million, six hundred forty-eight thousand, four hundred seventy-two".