89994528 has 162 divisors, whose sum is σ = 283717161. Its totient is φ = 27046656.

The previous prime is 89994523. The next prime is 89994539. The reversal of 89994528 is 82549998.

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 can be written as a sum of positive squares in 2 ways, for example, as 76947984 + 13046544 = 8772^2 + 3612^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6708.

Its product of digits (1866240) is a multiple of the sum of its prime factors (128).

It is not an unprimeable number, because it can be changed into a prime (89994523) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2092875 + ... + 2092917.

Almost surely, 2^89994528 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 89994528

89994528 is an abundant number, since it is smaller than the sum of its proper divisors (193722633).

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

89994528 is a wasteful number, since it uses less digits than its factorization.

89994528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 61 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 89994528 is about 9486.5445763987. The cubic root of 89994528 is about 448.1313921580.

The spelling of 89994528 in words is "eighty-nine million, nine hundred ninety-four thousand, five hundred twenty-eight".