89440704 has 84 divisors (see below), whose sum is σ = 264688320. Its totient is φ = 28846080.

The previous prime is 89440699. The next prime is 89440709. The reversal of 89440704 is 40704498.

It is an interprime number because it is at equal distance from previous prime (89440699) and next prime (89440709).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its 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 not an unprimeable number, because it can be changed into a prime (89440709) 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, 15352 + ... + 20360.

Almost surely, 2^89440704 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 89440704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132344160).

89440704 is an abundant number, since it is smaller than the sum of its proper divisors (175247616).

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

89440704 is a wasteful number, since it uses less digits than its factorization.

89440704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058 (or 5045 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 89440704 is about 9457.3095539905. The cubic root of 89440704 is about 447.2102369747.

The spelling of 89440704 in words is "eighty-nine million, four hundred forty thousand, seven hundred four".