90317260 has 192 divisors, whose sum is σ = 243855360. Its totient is φ = 27648000.

The previous prime is 90317237. The next prime is 90317263. The reversal of 90317260 is 6271309.

It is not an unprimeable number, because it can be changed into a prime (90317263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2202840 + ... + 2202880.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^90317260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90317260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121927680).

90317260 is an abundant number, since it is smaller than the sum of its proper divisors (153538100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90317260 is a wasteful number, since it uses less digits than its factorization.

90317260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 90317260 is about 9503.5393406878. The cubic root of 90317260 is about 448.6664387672. Note that the first 3 decimals are identical.

Adding to 90317260 its reverse (6271309), we get a palindrome (96588569).

The spelling of 90317260 in words is "ninety million, three hundred seventeen thousand, two hundred sixty".