392668 has 12 divisors (see below), whose sum is σ = 695520. Its totient is φ = 193952.

The previous prime is 392663. The next prime is 392669. The reversal of 392668 is 866293.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2³⁹²⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

392668 is a deficient number, since it is larger than the sum of its proper divisors (302852).

392668 is a wasteful number, since it uses less digits than its factorization.

392668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1194 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 392668 is about 626.6322685595. The cubic root of 392668 is about 73.2276623133.

The spelling of 392668 in words is "three hundred ninety-two thousand, six hundred sixty-eight".