89587 has 4 divisors (see below), whose sum is σ = 90576. Its totient is φ = 88600.

The previous prime is 89567. The next prime is 89591. The reversal of 89587 is 78598.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 89587 - 2⁷ = 89459 is a prime.

It is a Duffinian number.

89587 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (89527) 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, 343 + ... + 544.

It is an arithmetic number, because the mean of its divisors is an integer number (22644).

2⁸⁹⁵⁸⁷ is an apocalyptic number.

89587 is a deficient number, since it is larger than the sum of its proper divisors (989).

89587 is a wasteful number, since it uses less digits than its factorization.

89587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its digits is 20160, while the sum is 37.

The square root of 89587 is about 299.3108751783. The cubic root of 89587 is about 44.7453934482.

It can be divided in two parts, 89 and 587, that added together give a palindrome (676).

The spelling of 89587 in words is "eighty-nine thousand, five hundred eighty-seven".