268963 has 4 divisors (see below), whose sum is σ = 271728. Its totient is φ = 266200.

The previous prime is 268937. The next prime is 268969. The reversal of 268963 is 369862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268963 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (268969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1231 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (67932).

2²⁶⁸⁹⁶³ is an apocalyptic number.

268963 is a deficient number, since it is larger than the sum of its proper divisors (2765).

268963 is a wasteful number, since it uses less digits than its factorization.

268963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764.

The product of its digits is 15552, while the sum is 34.

The square root of 268963 is about 518.6164285867. The cubic root of 268963 is about 64.5501882878.

The spelling of 268963 in words is "two hundred sixty-eight thousand, nine hundred sixty-three".