84587 has 4 divisors (see below), whose sum is σ = 85176. Its totient is φ = 84000.

The previous prime is 84559. The next prime is 84589. The reversal of 84587 is 78548.

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 84587 - 2⁶ = 84523 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84587.

It is not an unprimeable number, because it can be changed into a prime (84589) 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, 83 + ... + 419.

It is an arithmetic number, because the mean of its divisors is an integer number (21294).

2⁸⁴⁵⁸⁷ is an apocalyptic number.

84587 is a deficient number, since it is larger than the sum of its proper divisors (589).

84587 is a wasteful number, since it uses less digits than its factorization.

84587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588.

The product of its digits is 8960, while the sum is 32.

The square root of 84587 is about 290.8384431261. The cubic root of 84587 is about 43.8969696765.

The spelling of 84587 in words is "eighty-four thousand, five hundred eighty-seven".