90939083 has 2 divisors, whose sum is σ = 90939084. Its totient is φ = 90939082.

The previous prime is 90939077. The next prime is 90939097. The reversal of 90939083 is 38093909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90939083 - 2⁴ = 90939067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90939083.

It is not a weakly prime, because it can be changed into another prime (90939053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45469541 + 45469542.

It is an arithmetic number, because the mean of its divisors is an integer number (45469542).

Almost surely, 2^90939083 is an apocalyptic number.

90939083 is a deficient number, since it is larger than the sum of its proper divisors (1).

90939083 is an equidigital number, since it uses as much as digits as its factorization.

90939083 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 90939083 is about 9536.1985612717. The cubic root of 90939083 is about 449.6937554205.

The spelling of 90939083 in words is "ninety million, nine hundred thirty-nine thousand, eighty-three".