90568856 has 96 divisors (see below), whose sum is σ = 211766400. Its totient is φ = 36126720.

The previous prime is 90568847. The next prime is 90568861. The reversal of 90568856 is 65886509.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90568856.

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, 352280 + ... + 352536.

It is an arithmetic number, because the mean of its divisors is an integer number (2205900).

Almost surely, 2^90568856 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 90568856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105883200).

90568856 is an abundant number, since it is smaller than the sum of its proper divisors (121197544).

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

90568856 is a wasteful number, since it uses less digits than its factorization.

90568856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 90568856 is about 9516.7670981274. The cubic root of 90568856 is about 449.0826679002.

The spelling of 90568856 in words is "ninety million, five hundred sixty-eight thousand, eight hundred fifty-six".