90316239 has 32 divisors (see below), whose sum is σ = 136733184. Its totient is φ = 52609920.

The previous prime is 90316231. The next prime is 90316243. The reversal of 90316239 is 93261309.

It is not a de Polignac number, because 90316239 - 2³ = 90316231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90316231) 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, 95509 + ... + 96449.

It is an arithmetic number, because the mean of its divisors is an integer number (4272912).

Almost surely, 2^90316239 is an apocalyptic number.

90316239 is a deficient number, since it is larger than the sum of its proper divisors (46416945).

90316239 is a wasteful number, since it uses less digits than its factorization.

90316239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 90316239 is about 9503.4856237067. The cubic root of 90316239 is about 448.6647480968.

The spelling of 90316239 in words is "ninety million, three hundred sixteen thousand, two hundred thirty-nine".