269879 has 2 divisors, whose sum is σ = 269880. Its totient is φ = 269878.

The previous prime is 269851. The next prime is 269887. The reversal of 269879 is 978962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 269879 - 2⁸ = 269623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134939 + 134940.

It is an arithmetic number, because the mean of its divisors is an integer number (134940).

2²⁶⁹⁸⁷⁹ is an apocalyptic number.

269879 is a deficient number, since it is larger than the sum of its proper divisors (1).

269879 is an equidigital number, since it uses as much as digits as its factorization.

269879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 269879 is about 519.4987969187. The cubic root of 269879 is about 64.6233841991.

The spelling of 269879 in words is "two hundred sixty-nine thousand, eight hundred seventy-nine".