90895218 has 32 divisors (see below), whose sum is σ = 190166400. Its totient is φ = 28909056.

The previous prime is 90895201. The next prime is 90895229. The reversal of 90895218 is 81259809.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90895218.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97378 + ... + 98306.

It is an arithmetic number, because the mean of its divisors is an integer number (5942700).

Almost surely, 2^90895218 is an apocalyptic number.

90895218 is an abundant number, since it is smaller than the sum of its proper divisors (99271182).

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

90895218 is a wasteful number, since it uses less digits than its factorization.

90895218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 90895218 is about 9533.8983632090. The cubic root of 90895218 is about 449.6214396519.

The spelling of 90895218 in words is "ninety million, eight hundred ninety-five thousand, two hundred eighteen".