268718 has 4 divisors (see below), whose sum is σ = 403080. Its totient is φ = 134358.

The previous prime is 268693. The next prime is 268721. The reversal of 268718 is 817862.

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

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 268718.

It is an unprimeable number.

268718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67178 + ... + 67181.

It is an arithmetic number, because the mean of its divisors is an integer number (100770).

2²⁶⁸⁷¹⁸ is an apocalyptic number.

268718 is a deficient number, since it is larger than the sum of its proper divisors (134362).

268718 is a wasteful number, since it uses less digits than its factorization.

268718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134361.

The product of its digits is 5376, while the sum is 32.

The square root of 268718 is about 518.3801693738. The cubic root of 268718 is about 64.5305826166.

The spelling of 268718 in words is "two hundred sixty-eight thousand, seven hundred eighteen".