393164268 has 24 divisors (see below), whose sum is σ = 1048438272. Its totient is φ = 112332624.

The previous prime is 393164221. The next prime is 393164309. The reversal of 393164268 is 862461393.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340180 + ... + 2340347.

It is an arithmetic number, because the mean of its divisors is an integer number (43684928).

Almost surely, 2^393164268 is an apocalyptic number.

It is an amenable number.

393164268 is an abundant number, since it is smaller than the sum of its proper divisors (655274004).

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

393164268 is a wasteful number, since it uses less digits than its factorization.

393164268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680541 (or 4680539 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 393164268 is about 19828.3702809888. The cubic root of 393164268 is about 732.5849858101.

The spelling of 393164268 in words is "three hundred ninety-three million, one hundred sixty-four thousand, two hundred sixty-eight".