268869 has 16 divisors (see below), whose sum is σ = 388800. Its totient is φ = 164736.

The previous prime is 268861. The next prime is 268883. The reversal of 268869 is 968862.

It is not a de Polignac number, because 268869 - 2³ = 268861 is a prime.

It is a super-2 number, since 2×268869² = 144581078322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268869.

It is not an unprimeable number, because it can be changed into a prime (268861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2977 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2²⁶⁸⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

268869 is a deficient number, since it is larger than the sum of its proper divisors (119931).

268869 is a wasteful number, since it uses less digits than its factorization.

268869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164.

The product of its digits is 41472, while the sum is 39.

The square root of 268869 is about 518.5257949225. The cubic root of 268869 is about 64.5426675202.

The spelling of 268869 in words is "two hundred sixty-eight thousand, eight hundred sixty-nine".