90098256 has 80 divisors (see below), whose sum is σ = 241970624. Its totient is φ = 28864512.

The previous prime is 90098237. The next prime is 90098257. The reversal of 90098256 is 65289009.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90098257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172011 + ... + 172533.

Almost surely, 2^90098256 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 90098256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120985312).

90098256 is an abundant number, since it is smaller than the sum of its proper divisors (151872368).

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

90098256 is a wasteful number, since it uses less digits than its factorization.

90098256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 90098256 is about 9492.0101137746. The cubic root of 90098256 is about 448.3034986419.

The spelling of 90098256 in words is "ninety million, ninety-eight thousand, two hundred fifty-six".