2318393928 has 32 divisors (see below), whose sum is σ = 6047985600. Its totient is φ = 739197888.

The previous prime is 2318393843. The next prime is 2318393971. The reversal of 2318393928 is 8293938132.

It is a happy 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, 2099443 + ... + 2100546.

It is an arithmetic number, because the mean of its divisors is an integer number (188999550).

Almost surely, 2^2318393928 is an apocalyptic number.

It is an amenable number.

2318393928 is an abundant number, since it is smaller than the sum of its proper divisors (3729591672).

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

2318393928 is a wasteful number, since it uses less digits than its factorization.

2318393928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200021 (or 4200017 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 2318393928 is about 48149.7033012666. The cubic root of 2318393928 is about 1323.5156374558.

The spelling of 2318393928 in words is "two billion, three hundred eighteen million, three hundred ninety-three thousand, nine hundred twenty-eight".