392322961 has 2 divisors, whose sum is σ = 392322962. Its totient is φ = 392322960.

The previous prime is 392322911. The next prime is 392322979. The reversal of 392322961 is 169223293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274730625 + 117592336 = 16575^2 + 10844^2 .

It is a cyclic number.

It is not a de Polignac number, because 392322961 - 2²¹ = 390225809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 392322961.

It is not a weakly prime, because it can be changed into another prime (392322901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196161480 + 196161481.

It is an arithmetic number, because the mean of its divisors is an integer number (196161481).

Almost surely, 2^392322961 is an apocalyptic number.

It is an amenable number.

392322961 is a deficient number, since it is larger than the sum of its proper divisors (1).

392322961 is an equidigital number, since it uses as much as digits as its factorization.

392322961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 37.

The square root of 392322961 is about 19807.1441909226. The cubic root of 392322961 is about 732.0620754438.

The spelling of 392322961 in words is "three hundred ninety-two million, three hundred twenty-two thousand, nine hundred sixty-one".