92319989 has 2 divisors, whose sum is σ = 92319990. Its totient is φ = 92319988.

The previous prime is 92319973. The next prime is 92319991. The reversal of 92319989 is 98991329.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74822500 + 17497489 = 8650^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 92319989 - 2⁴ = 92319973 is a prime.

Together with 92319991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92319919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46159994 + 46159995.

It is an arithmetic number, because the mean of its divisors is an integer number (46159995).

Almost surely, 2^92319989 is an apocalyptic number.

It is an amenable number.

92319989 is a deficient number, since it is larger than the sum of its proper divisors (1).

92319989 is an equidigital number, since it uses as much as digits as its factorization.

92319989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 50.

The square root of 92319989 is about 9608.3291471514. The cubic root of 92319989 is about 451.9585236826.

The spelling of 92319989 in words is "ninety-two million, three hundred nineteen thousand, nine hundred eighty-nine".