26969 has 4 divisors (see below), whose sum is σ = 27300. Its totient is φ = 26640.

The previous prime is 26959. The next prime is 26981. The reversal of 26969 is 96962.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96962 = 2 ⋅48481.

It can be written as a sum of positive squares in 2 ways, for example, as 1369 + 25600 = 37^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 26969 - 2⁴ = 26953 is a prime.

It is a super-2 number, since 2×26969² = 1454653922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26959) 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, 59 + ... + 239.

It is an arithmetic number, because the mean of its divisors is an integer number (6825).

2²⁶⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

26969 is a deficient number, since it is larger than the sum of its proper divisors (331).

26969 is a wasteful number, since it uses less digits than its factorization.

26969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330.

The product of its digits is 5832, while the sum is 32.

The square root of 26969 is about 164.2224101638. Note that the first 3 decimals coincide. The cubic root of 26969 is about 29.9885141216.

The spelling of 26969 in words is "twenty-six thousand, nine hundred sixty-nine".