89588 has 6 divisors (see below), whose sum is σ = 156786. Its totient is φ = 44792.

The previous prime is 89567. The next prime is 89591. The reversal of 89588 is 88598.

It can be written as a sum of positive squares in only one way, i.e., 88804 + 784 = 298^2 + 28^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89588.

It is an unprimeable number.

89588 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11195 + ... + 11202.

It is an arithmetic number, because the mean of its divisors is an integer number (26131).

2⁸⁹⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

89588 is a deficient number, since it is larger than the sum of its proper divisors (67198).

89588 is a wasteful number, since it uses less digits than its factorization.

89588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22401 (or 22399 counting only the distinct ones).

The product of its digits is 23040, while the sum is 38.

The square root of 89588 is about 299.3125456776. The cubic root of 89588 is about 44.7455599352.

Subtracting from 89588 its reverse (88598), we obtain a triangular number (990 = T₄₄).

The spelling of 89588 in words is "eighty-nine thousand, five hundred eighty-eight".