268655 has 4 divisors (see below), whose sum is σ = 322392. Its totient is φ = 214920.

The previous prime is 268643. The next prime is 268661. The reversal of 268655 is 556862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 268655 - 2¹² = 264559 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26861 + ... + 26870.

It is an arithmetic number, because the mean of its divisors is an integer number (80598).

2²⁶⁸⁶⁵⁵ is an apocalyptic number.

268655 is a deficient number, since it is larger than the sum of its proper divisors (53737).

268655 is an equidigital number, since it uses as much as digits as its factorization.

268655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53736.

The product of its digits is 14400, while the sum is 32.

The square root of 268655 is about 518.3193995984. The cubic root of 268655 is about 64.5255392322.

The spelling of 268655 in words is "two hundred sixty-eight thousand, six hundred fifty-five".