89589 has 4 divisors (see below), whose sum is σ = 119456. Its totient is φ = 59724.

The previous prime is 89567. The next prime is 89591. The reversal of 89589 is 98598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 89589 - 2¹¹ = 87541 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89519) 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, 14929 + ... + 14934.

It is an arithmetic number, because the mean of its divisors is an integer number (29864).

2⁸⁹⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

89589 is a deficient number, since it is larger than the sum of its proper divisors (29867).

89589 is a wasteful number, since it uses less digits than its factorization.

89589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29866.

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

The square root of 89589 is about 299.3142161676. The cubic root of 89589 is about 44.7457264211.

Subtracting 89589 from its reverse (98598), we obtain a palindrome (9009).

The spelling of 89589 in words is "eighty-nine thousand, five hundred eighty-nine".