26839 has 2 divisors, whose sum is σ = 26840.
Its totient is φ = 26838.
The previous prime is 26833. The next prime is 26849. The reversal of 26839 is 93862.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 26839 - 27 = 26711 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (26833) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13419 + 13420.
It is an arithmetic number, because the mean of its divisors is an integer number (13420).
226839 is an apocalyptic number.
26839 is a deficient number, since it is larger than the sum of its proper divisors (1).
26839 is an equidigital number, since it uses as much as digits as its factorization.
26839 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2592, while the sum is 28.
The square root of 26839 is about 163.8261273424.
The cubic root of 26839 is about 29.9402514531.
The spelling of 26839 in words is "twenty-six thousand, eight hundred thirty-nine".