392164157 has 32 divisors (see below), whose sum is σ = 498161664. Its totient is φ = 299880000.

The previous prime is 392164151. The next prime is 392164159. The reversal of 392164157 is 751461293.

It is not a de Polignac number, because 392164157 - 2¹² = 392160061 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 392164157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392164151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1562282 + ... + 1562532.

It is an arithmetic number, because the mean of its divisors is an integer number (15567552).

Almost surely, 2^392164157 is an apocalyptic number.

It is an amenable number.

392164157 is a deficient number, since it is larger than the sum of its proper divisors (105997507).

392164157 is a wasteful number, since it uses less digits than its factorization.

392164157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its digits is 45360, while the sum is 38.

The square root of 392164157 is about 19803.1350295856. The cubic root of 392164157 is about 731.9632877215.

The spelling of 392164157 in words is "three hundred ninety-two million, one hundred sixty-four thousand, one hundred fifty-seven".