90317318 has 48 divisors (see below), whose sum is σ = 170760960. Its totient is φ = 35070048.

The previous prime is 90317287. The next prime is 90317341. The reversal of 90317318 is 81371309.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139271 + ... + 139917.

It is an arithmetic number, because the mean of its divisors is an integer number (3557520).

Almost surely, 2^90317318 is an apocalyptic number.

90317318 is a deficient number, since it is larger than the sum of its proper divisors (80443642).

90317318 is a wasteful number, since it uses less digits than its factorization.

90317318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 90317318 is about 9503.5423921820. The cubic root of 90317318 is about 448.6665348088. Note that the first 3 decimals are identical.

The spelling of 90317318 in words is "ninety million, three hundred seventeen thousand, three hundred eighteen".