393115468 has 12 divisors (see below), whose sum is σ = 688820832. Its totient is φ = 196309520.

The previous prime is 393115451. The next prime is 393115483. The reversal of 393115468 is 864511393.

It is a self number, because there is not a number n which added to its sum of digits gives 393115468.

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, 58468 + ... + 64843.

It is an arithmetic number, because the mean of its divisors is an integer number (57401736).

Almost surely, 2^393115468 is an apocalyptic number.

It is an amenable number.

393115468 is a deficient number, since it is larger than the sum of its proper divisors (295705364).

393115468 is a wasteful number, since it uses less digits than its factorization.

393115468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124112 (or 124110 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 393115468 is about 19827.1396827682. The cubic root of 393115468 is about 732.5546747930.

The spelling of 393115468 in words is "three hundred ninety-three million, one hundred fifteen thousand, four hundred sixty-eight".