268903 has 4 divisors (see below), whose sum is σ = 271480. Its totient is φ = 266328.

The previous prime is 268897. The next prime is 268909. The reversal of 268903 is 309862.

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

It is an interprime number because it is at equal distance from previous prime (268897) and next prime (268909).

It is a cyclic number.

It is not a de Polignac number, because 268903 - 2¹⁷ = 137831 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 (268909) 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, 1125 + ... + 1342.

It is an arithmetic number, because the mean of its divisors is an integer number (67870).

2²⁶⁸⁹⁰³ is an apocalyptic number.

268903 is a deficient number, since it is larger than the sum of its proper divisors (2577).

268903 is a wasteful number, since it uses less digits than its factorization.

268903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 268903 is about 518.5585791403. The cubic root of 268903 is about 64.5453880001.

The spelling of 268903 in words is "two hundred sixty-eight thousand, nine hundred three".