93090839 has 2 divisors, whose sum is σ = 93090840. Its totient is φ = 93090838.

The previous prime is 93090817. The next prime is 93090857. The reversal of 93090839 is 93809039.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 93090839 - 2⁸ = 93090583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 93090796 and 93090805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93090539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46545419 + 46545420.

It is an arithmetic number, because the mean of its divisors is an integer number (46545420).

Almost surely, 2^93090839 is an apocalyptic number.

93090839 is a deficient number, since it is larger than the sum of its proper divisors (1).

93090839 is an equidigital number, since it uses as much as digits as its factorization.

93090839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 93090839 is about 9648.3593942183. The cubic root of 93090839 is about 453.2129542083.

The spelling of 93090839 in words is "ninety-three million, ninety thousand, eight hundred thirty-nine".