392918068 has 12 divisors (see below), whose sum is σ = 688018212. Its totient is φ = 196341440.

The previous prime is 392918051. The next prime is 392918069. The reversal of 392918068 is 860819293.

It can be written as a sum of positive squares in 2 ways, for example, as 190937124 + 201980944 = 13818^2 + 14212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392918069) 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, 21655 + ... + 35422.

It is an arithmetic number, because the mean of its divisors is an integer number (57334851).

Almost surely, 2^392918068 is an apocalyptic number.

It is an amenable number.

392918068 is a deficient number, since it is larger than the sum of its proper divisors (295100144).

392918068 is a wasteful number, since it uses less digits than its factorization.

392918068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58802 (or 58800 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 392918068 is about 19822.1610325413. The cubic root of 392918068 is about 732.4320386419.

The spelling of 392918068 in words is "three hundred ninety-two million, nine hundred eighteen thousand, sixty-eight".