26590 has 8 divisors (see below), whose sum is σ = 47880. Its totient is φ = 10632.

The previous prime is 26573. The next prime is 26591. The reversal of 26590 is 9562.

26590 is nontrivially palindromic in base 8.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12 and base 16.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320 + ... + 1339.

It is an arithmetic number, because the mean of its divisors is an integer number (5985).

2²⁶⁵⁹⁰ is an apocalyptic number.

26590 is a deficient number, since it is larger than the sum of its proper divisors (21290).

26590 is a wasteful number, since it uses less digits than its factorization.

26590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 26590 is about 163.0644044542. The cubic root of 26590 is about 29.8473729646.

It can be divided in two parts, 26 and 590, that added together give a palindrome (616).

The spelling of 26590 in words is "twenty-six thousand, five hundred ninety".