268365 has 8 divisors (see below), whose sum is σ = 429408. Its totient is φ = 143120.

The previous prime is 268343. The next prime is 268403. The reversal of 268365 is 563862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268365 - 2⁷ = 268237 is a prime.

268365 is a lucky number.

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 268365.

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 in 7 ways as a sum of consecutive naturals, for example, 8931 + ... + 8960.

It is an arithmetic number, because the mean of its divisors is an integer number (53676).

2²⁶⁸³⁶⁵ is an apocalyptic number.

It is an amenable number.

268365 is a deficient number, since it is larger than the sum of its proper divisors (161043).

268365 is a wasteful number, since it uses less digits than its factorization.

268365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17899.

The product of its digits is 8640, while the sum is 30.

The square root of 268365 is about 518.0395737779. The cubic root of 268365 is about 64.5023134799.

The spelling of 268365 in words is "two hundred sixty-eight thousand, three hundred sixty-five".