268706 has 4 divisors (see below), whose sum is σ = 403062. Its totient is φ = 134352.

The previous prime is 268693. The next prime is 268721. The reversal of 268706 is 607862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607862 = 2 ⋅303931.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 3481 = 515^2 + 59^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67175 + ... + 67178.

2²⁶⁸⁷⁰⁶ is an apocalyptic number.

268706 is a deficient number, since it is larger than the sum of its proper divisors (134356).

268706 is a wasteful number, since it uses less digits than its factorization.

268706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134355.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 268706 is about 518.3685947277. The cubic root of 268706 is about 64.5296220327.

The spelling of 268706 in words is "two hundred sixty-eight thousand, seven hundred six".