89099560 has 96 divisors (see below), whose sum is σ = 226233000. Its totient is φ = 31539200.

The previous prime is 89099509. The next prime is 89099561. The reversal of 89099560 is 6599098.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53027524 + 36072036 = 7282^2 + 6006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89099560.

It is not an unprimeable number, because it can be changed into a prime (89099561) by changing a digit.

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, 198216 + ... + 198664.

Almost surely, 2^89099560 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 89099560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113116500).

89099560 is an abundant number, since it is smaller than the sum of its proper divisors (137133440).

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

89099560 is a wasteful number, since it uses less digits than its factorization.

89099560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 89099560 is about 9439.2563266393. The cubic root of 89099560 is about 446.6409306723.

The spelling of 89099560 in words is "eighty-nine million, ninety-nine thousand, five hundred sixty".