89235664 has 60 divisors (see below), whose sum is σ = 205876704. Its totient is φ = 37340352.

The previous prime is 89235613. The next prime is 89235667. The reversal of 89235664 is 46653298.

89235664 = T₁₂₅ + T₁₂₆ + ... + T₈₁₂.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 89235664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89235667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32389 + ... + 35035.

Almost surely, 2^89235664 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 89235664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102938352).

89235664 is an abundant number, since it is smaller than the sum of its proper divisors (116641040).

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

89235664 is a wasteful number, since it uses less digits than its factorization.

89235664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712 (or 2699 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 89235664 is about 9446.4630417951. The cubic root of 89235664 is about 446.8682370339.

The spelling of 89235664 in words is "eighty-nine million, two hundred thirty-five thousand, six hundred sixty-four".