268109 has 8 divisors (see below), whose sum is σ = 287040. Its totient is φ = 249696.

The previous prime is 268091. The next prime is 268123. The reversal of 268109 is 901862.

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 268109 - 2¹² = 264013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268189) 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, 1889 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (35880).

2²⁶⁸¹⁰⁹ is an apocalyptic number.

It is an amenable number.

268109 is a deficient number, since it is larger than the sum of its proper divisors (18931).

268109 is a wasteful number, since it uses less digits than its factorization.

268109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 268109 is about 517.7924294541. The cubic root of 268109 is about 64.4817968382.

The spelling of 268109 in words is "two hundred sixty-eight thousand, one hundred nine".