90098544 has 40 divisors (see below), whose sum is σ = 242877312. Its totient is φ = 28726720.

The previous prime is 90098543. The next prime is 90098581. The reversal of 90098544 is 44589009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90098543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39702 + ... + 41909.

Almost surely, 2^90098544 is an apocalyptic number.

It is an amenable number.

90098544 is an abundant number, since it is smaller than the sum of its proper divisors (152778768).

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

90098544 is a wasteful number, since it uses less digits than its factorization.

90098544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81645 (or 81639 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 90098544 is about 9492.0252844164. The cubic root of 90098544 is about 448.3039763103.

The spelling of 90098544 in words is "ninety million, ninety-eight thousand, five hundred forty-four".