90310896 has 120 divisors (see below), whose sum is σ = 280926960. Its totient is φ = 27765504.

The previous prime is 90310861. The next prime is 90310921. The reversal of 90310896 is 69801309.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 90310896.

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, 72390 + ... + 73626.

It is an arithmetic number, because the mean of its divisors is an integer number (2341058).

Almost surely, 2^90310896 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 90310896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140463480).

90310896 is an abundant number, since it is smaller than the sum of its proper divisors (190616064).

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

90310896 is a wasteful number, since it uses less digits than its factorization.

90310896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 90310896 is about 9503.2045121633. The cubic root of 90310896 is about 448.6559004335.

The spelling of 90310896 in words is "ninety million, three hundred ten thousand, eight hundred ninety-six".