268887 has 8 divisors (see below), whose sum is σ = 366336. Its totient is φ = 175352.

The previous prime is 268883. The next prime is 268897. The reversal of 268887 is 788862.

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

It is a cyclic number.

It is not a de Polignac number, because 268887 - 2² = 268883 is a prime.

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 268887.

It is not an unprimeable number, because it can be changed into a prime (268883) 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, 813 + ... + 1094.

It is an arithmetic number, because the mean of its divisors is an integer number (45792).

2²⁶⁸⁸⁸⁷ is an apocalyptic number.

268887 is a deficient number, since it is larger than the sum of its proper divisors (97449).

268887 is a wasteful number, since it uses less digits than its factorization.

268887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957.

The product of its digits is 43008, while the sum is 39.

The square root of 268887 is about 518.5431515313. The cubic root of 268887 is about 64.5441078028.

It can be divided in two parts, 2688 and 87, that added together give a triangular number (2775 = T₇₄).

The spelling of 268887 in words is "two hundred sixty-eight thousand, eight hundred eighty-seven".