26869 has 4 divisors (see below), whose sum is σ = 27244. Its totient is φ = 26496.

The previous prime is 26863. The next prime is 26879. The reversal of 26869 is 96862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8100 + 18769 = 90^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 26869 - 2³ = 26861 is a prime.

It is a super-2 number, since 2×26869² = 1443886322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26861) 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, 42 + ... + 235.

It is an arithmetic number, because the mean of its divisors is an integer number (6811).

2²⁶⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

26869 is a deficient number, since it is larger than the sum of its proper divisors (375).

26869 is an equidigital number, since it uses as much as digits as its factorization.

26869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its digits is 5184, while the sum is 31.

The square root of 26869 is about 163.9176622576. The cubic root of 26869 is about 29.9514028011.

The spelling of 26869 in words is "twenty-six thousand, eight hundred sixty-nine".