268845 has 8 divisors (see below), whose sum is σ = 430176. Its totient is φ = 143376.

The previous prime is 268843. The next prime is 268861. The reversal of 268845 is 548862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268845 - 2¹ = 268843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8947 + ... + 8976.

It is an arithmetic number, because the mean of its divisors is an integer number (53772).

2²⁶⁸⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

268845 is a deficient number, since it is larger than the sum of its proper divisors (161331).

268845 is a wasteful number, since it uses less digits than its factorization.

268845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17931.

The product of its digits is 15360, while the sum is 33.

The square root of 268845 is about 518.5026518736. The cubic root of 268845 is about 64.5407470433.

The spelling of 268845 in words is "two hundred sixty-eight thousand, eight hundred forty-five".