268965 has 24 divisors (see below), whose sum is σ = 480480. Its totient is φ = 139104.

The previous prime is 268937. The next prime is 268969. The reversal of 268965 is 569862.

It is not a de Polignac number, because 268965 - 2¹⁰ = 267941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1866 + ... + 2004.

It is an arithmetic number, because the mean of its divisors is an integer number (20020).

2²⁶⁸⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

268965 is a deficient number, since it is larger than the sum of its proper divisors (211515).

268965 is a wasteful number, since it uses less digits than its factorization.

268965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 190 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 268965 is about 518.6183567904. The cubic root of 268965 is about 64.5503482851.

The spelling of 268965 in words is "two hundred sixty-eight thousand, nine hundred sixty-five".