27598 has 4 divisors (see below), whose sum is σ = 41400. Its totient is φ = 13798.

The previous prime is 27583. The next prime is 27611. The reversal of 27598 is 89572.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6898 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (10350).

2²⁷⁵⁹⁸ is an apocalyptic number.

27598 is a deficient number, since it is larger than the sum of its proper divisors (13802).

27598 is a wasteful number, since it uses less digits than its factorization.

27598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13801.

The product of its digits is 5040, while the sum is 31.

The square root of 27598 is about 166.1264578567. The cubic root of 27598 is about 30.2198661738.

It can be divided in two parts, 275 and 98, that added together give a palindrome (373).

The spelling of 27598 in words is "twenty-seven thousand, five hundred ninety-eight".