89012664 has 96 divisors (see below), whose sum is σ = 264045600. Its totient is φ = 26922240.

The previous prime is 89012659. The next prime is 89012683. The reversal of 89012664 is 46621098.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56317 + ... + 57875.

It is an arithmetic number, because the mean of its divisors is an integer number (2750475).

Almost surely, 2^89012664 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 89012664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132022800).

89012664 is an abundant number, since it is smaller than the sum of its proper divisors (175032936).

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

89012664 is a wasteful number, since it uses less digits than its factorization.

89012664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 89012664 is about 9434.6522988396. The cubic root of 89012664 is about 446.4956851578.

It can be divided in two parts, 89012 and 664, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 89012664 in words is "eighty-nine million, twelve thousand, six hundred sixty-four".