26239 has 4 divisors (see below), whose sum is σ = 27640. Its totient is φ = 24840.

The previous prime is 26237. The next prime is 26249. The reversal of 26239 is 93262.

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

It is a cyclic number.

It is not a de Polignac number, because 26239 - 2¹ = 26237 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26237) 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, 672 + ... + 709.

It is an arithmetic number, because the mean of its divisors is an integer number (6910).

2²⁶²³⁹ is an apocalyptic number.

26239 is a deficient number, since it is larger than the sum of its proper divisors (1401).

26239 is a wasteful number, since it uses less digits than its factorization.

26239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400.

The product of its digits is 648, while the sum is 22.

The square root of 26239 is about 161.9845671661. The cubic root of 26239 is about 29.7154578732.

It can be divided in two parts, 2 and 6239, that added together give a square (6241 = 79²).

The spelling of 26239 in words is "twenty-six thousand, two hundred thirty-nine".