268243 has 8 divisors (see below), whose sum is σ = 293760. Its totient is φ = 243840.

The previous prime is 268237. The next prime is 268253. The reversal of 268243 is 342862.

It is a happy number.

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 268243 - 2⁵ = 268211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268253) 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, 273 + ... + 781.

It is an arithmetic number, because the mean of its divisors is an integer number (36720).

2²⁶⁸²⁴³ is an apocalyptic number.

268243 is a deficient number, since it is larger than the sum of its proper divisors (25517).

268243 is a wasteful number, since it uses less digits than its factorization.

268243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557.

The product of its digits is 2304, while the sum is 25.

The square root of 268243 is about 517.9218087704. The cubic root of 268243 is about 64.4925376460.

The spelling of 268243 in words is "two hundred sixty-eight thousand, two hundred forty-three".