268726 has 4 divisors (see below), whose sum is σ = 403092. Its totient is φ = 134362.

The previous prime is 268721. The next prime is 268729. The reversal of 268726 is 627862.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 627862 = 2 ⋅313931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67180 + ... + 67183.

It is an arithmetic number, because the mean of its divisors is an integer number (100773).

2²⁶⁸⁷²⁶ is an apocalyptic number.

268726 is a deficient number, since it is larger than the sum of its proper divisors (134366).

268726 is a wasteful number, since it uses less digits than its factorization.

268726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134365.

The product of its digits is 8064, while the sum is 31.

The square root of 268726 is about 518.3878856609. The cubic root of 268726 is about 64.5312229899.

The spelling of 268726 in words is "two hundred sixty-eight thousand, seven hundred twenty-six".