89598 has 16 divisors (see below), whose sum is σ = 182160. Its totient is φ = 29376.

The previous prime is 89597. The next prime is 89599.

89598 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (89597) and next prime (89599).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89591) 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 7 ways as a sum of consecutive naturals, for example, 586 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (11385).

2⁸⁹⁵⁹⁸ is an apocalyptic number.

89598 is an abundant number, since it is smaller than the sum of its proper divisors (92562).

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 (91080).

89598 is a wasteful number, since it uses less digits than its factorization.

89598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its digits is 25920, while the sum is 39.

The square root of 89598 is about 299.3292501577. The cubic root of 89598 is about 44.7472247376.

The spelling of 89598 in words is "eighty-nine thousand, five hundred ninety-eight".