438649752 has 32 divisors (see below), whose sum is σ = 1132001280. Its totient is φ = 141499680.

The previous prime is 438649747. The next prime is 438649769. The reversal of 438649752 is 257946834.

It is a congruent number.

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, 294048 + ... + 295535.

It is an arithmetic number, because the mean of its divisors is an integer number (35375040).

Almost surely, 2^438649752 is an apocalyptic number.

It is an amenable number.

438649752 is an abundant number, since it is smaller than the sum of its proper divisors (693351528).

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

438649752 is a wasteful number, since it uses less digits than its factorization.

438649752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589623 (or 589619 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 438649752 is about 20943.9669594850. The cubic root of 438649752 is about 759.8116754062.

The spelling of 438649752 in words is "four hundred thirty-eight million, six hundred forty-nine thousand, seven hundred fifty-two".