268969 has 2 divisors, whose sum is σ = 268970. Its totient is φ = 268968.

The previous prime is 268937. The next prime is 268973. The reversal of 268969 is 969862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169744 + 99225 = 412^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 268969 - 2⁵ = 268937 is a prime.

It is a super-2 number, since 2×268969² = 144688645922, which contains 22 as substring.

It is a Chen prime.

268969 is a lucky number.

It is a zygodrome in base 7.

It is not a weakly prime, because it can be changed into another prime (268909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134484 + 134485.

It is an arithmetic number, because the mean of its divisors is an integer number (134485).

2²⁶⁸⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

268969 is a deficient number, since it is larger than the sum of its proper divisors (1).

268969 is an equidigital number, since it uses as much as digits as its factorization.

268969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 268969 is about 518.6222131764. The cubic root of 268969 is about 64.5506682773.

It can be divided in two parts, 26896 and 9, that multiplied together give a square (242064 = 492²).

The spelling of 268969 in words is "two hundred sixty-eight thousand, nine hundred sixty-nine".