89044560 has 120 divisors (see below), whose sum is σ = 326255904. Its totient is φ = 21584640.

The previous prime is 89044559. The next prime is 89044601. The reversal of 89044560 is 6544098.

89044560 is a `hidden beast` number, since 8 + 90 + 4 + 4 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2299 + ... + 13541.

Almost surely, 2^89044560 is an apocalyptic number.

89044560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89044560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163127952).

89044560 is an abundant number, since it is smaller than the sum of its proper divisors (237211344).

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

89044560 is a wasteful number, since it uses less digits than its factorization.

89044560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273 (or 11264 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 89044560 is about 9436.3425117998. The cubic root of 89044560 is about 446.5490098760.

The spelling of 89044560 in words is "eighty-nine million, forty-four thousand, five hundred sixty".