90895580 has 12 divisors (see below), whose sum is σ = 190880760. Its totient is φ = 36358224.

The previous prime is 90895573. The next prime is 90895589. The reversal of 90895580 is 8559809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90895589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272370 + ... + 2272409.

It is an arithmetic number, because the mean of its divisors is an integer number (15906730).

Almost surely, 2^90895580 is an apocalyptic number.

It is an amenable number.

90895580 is an abundant number, since it is smaller than the sum of its proper divisors (99985180).

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

90895580 is a wasteful number, since it uses less digits than its factorization.

90895580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544788 (or 4544786 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 90895580 is about 9533.9173480789. The cubic root of 90895580 is about 449.6220365397.

The spelling of 90895580 in words is "ninety million, eight hundred ninety-five thousand, five hundred eighty".