89560 has 16 divisors (see below), whose sum is σ = 201600. Its totient is φ = 35808.

The previous prime is 89533. The next prime is 89561. The reversal of 89560 is 6598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080 + ... + 1159.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2⁸⁹⁵⁶⁰ is an apocalyptic number.

It is an amenable number.

89560 is an abundant number, since it is smaller than the sum of its proper divisors (112040).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100800).

89560 is a wasteful number, since it uses less digits than its factorization.

89560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 89560 is about 299.2657681727. The cubic root of 89560 is about 44.7408978294.

Multiplying 89560 by its sum of digits (28), we get a triangular number (2507680 = T₂₂₃₉).

The spelling of 89560 in words is "eighty-nine thousand, five hundred sixty".