393000392 has 64 divisors (see below), whose sum is σ = 786931200. Its totient is φ = 183697920.

The previous prime is 393000341. The next prime is 393000403. The reversal of 393000392 is 293000393.

It is a happy number.

It is a super-2 number, since 2×393000392² = 308898616224307328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460834 + ... + 1461102.

It is an arithmetic number, because the mean of its divisors is an integer number (12295800).

Almost surely, 2^393000392 is an apocalyptic number.

It is an amenable number.

393000392 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

393000392 is a wasteful number, since it uses less digits than its factorization.

393000392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 29.

The square root of 393000392 is about 19824.2374884887. The cubic root of 393000392 is about 732.4831880031.

Subtracting from 393000392 its reverse (293000393), we obtain a palindrome (99999999).

The spelling of 393000392 in words is "three hundred ninety-three million, three hundred ninety-two", and thus it is an aban number.