90699264 has 120 divisors (see below), whose sum is σ = 271831560. Its totient is φ = 30233088.

The previous prime is 90699251. The next prime is 90699311. The reversal of 90699264 is 46299609.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an ABA number since it can be written as A⋅B^A, here for A=9, B=6.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 30233087 + 30233088 + 30233089.

It is an arithmetic number, because the mean of its divisors is an integer number (2265263).

Almost surely, 2^90699264 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 90699264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135915780).

90699264 is an abundant number, since it is smaller than the sum of its proper divisors (181132296).

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

90699264 is an frugal number, since it uses more digits than its factorization.

90699264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51 (or 5 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 90699264 is about 9523.6161199410. The cubic root of 90699264 is about 449.2981057792.

The spelling of 90699264 in words is "ninety million, six hundred ninety-nine thousand, two hundred sixty-four".