86593 has 4 divisors (see below), whose sum is σ = 93268. Its totient is φ = 79920.

The previous prime is 86587. The next prime is 86599. The reversal of 86593 is 39568.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86587) and next prime (86599).

It can be written as a sum of positive squares in 2 ways, for example, as 49729 + 36864 = 223^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 86593 - 2⁵ = 86561 is a prime.

It is a Duffinian number.

86593 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (86599) 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, 3318 + ... + 3343.

It is an arithmetic number, because the mean of its divisors is an integer number (23317).

2⁸⁶⁵⁹³ is an apocalyptic number.

It is an amenable number.

86593 is a deficient number, since it is larger than the sum of its proper divisors (6675).

86593 is a wasteful number, since it uses less digits than its factorization.

86593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674.

The product of its digits is 6480, while the sum is 31.

The square root of 86593 is about 294.2668856667. The cubic root of 86593 is about 44.2412710074.

The spelling of 86593 in words is "eighty-six thousand, five hundred ninety-three".