268709 has 8 divisors (see below), whose sum is σ = 320640. Its totient is φ = 220176.

The previous prime is 268693. The next prime is 268721. The reversal of 268709 is 907862.

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 268709 - 2⁴ = 268693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268729) 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, 674 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (40080).

2²⁶⁸⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

268709 is a deficient number, since it is larger than the sum of its proper divisors (51931).

268709 is a wasteful number, since it uses less digits than its factorization.

268709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 268709 is about 518.3714884135. The cubic root of 268709 is about 64.5298621813.

The spelling of 268709 in words is "two hundred sixty-eight thousand, seven hundred nine".