269957 has 4 divisors (see below), whose sum is σ = 272460. Its totient is φ = 267456.

The previous prime is 269953. The next prime is 269981. The reversal of 269957 is 759962.

269957 is nontrivially palindromic in base 6 and base 7.

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 25921 + 244036 = 161^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 269957 - 2² = 269953 is a prime.

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 269957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269953) 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, 1082 + ... + 1307.

It is an arithmetic number, because the mean of its divisors is an integer number (68115).

2²⁶⁹⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

269957 is a deficient number, since it is larger than the sum of its proper divisors (2503).

269957 is a wasteful number, since it uses less digits than its factorization.

269957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its digits is 34020, while the sum is 38.

The square root of 269957 is about 519.5738638538. The cubic root of 269957 is about 64.6296093821.

The spelling of 269957 in words is "two hundred sixty-nine thousand, nine hundred fifty-seven".