90668484 has 75 divisors (see below), whose sum is σ = 247799167. Its totient is φ = 28908792.

The previous prime is 90668477. The next prime is 90668503. The reversal of 90668484 is 48486609.

It is a happy number.

The square root of 90668484 is 9522.

It is a perfect power (a square), and thus also a powerful number.

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=69.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 3942097 + ... + 3942119.

Almost surely, 2^90668484 is an apocalyptic number.

90668484 is the 9522-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90668484

90668484 is an abundant number, since it is smaller than the sum of its proper divisors (157130683).

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

90668484 is an frugal number, since it uses more digits than its factorization.

90668484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The cubic root of 90668484 is about 449.2472749353.

Multiplying 90668484 by its product of nonzero digits (331776), we get a square (30081626947584 = 5484672²).

The spelling of 90668484 in words is "ninety million, six hundred sixty-eight thousand, four hundred eighty-four".