268293 has 4 divisors (see below), whose sum is σ = 357728. Its totient is φ = 178860.

The previous prime is 268291. The next prime is 268297. The reversal of 268293 is 392862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 268293 - 2¹ = 268291 is a prime.

It is a super-2 number, since 2×268293² = 143962267698, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44713 + ... + 44718.

It is an arithmetic number, because the mean of its divisors is an integer number (89432).

2²⁶⁸²⁹³ is an apocalyptic number.

It is an amenable number.

268293 is a deficient number, since it is larger than the sum of its proper divisors (89435).

268293 is an equidigital number, since it uses as much as digits as its factorization.

268293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89434.

The product of its digits is 5184, while the sum is 30.

The square root of 268293 is about 517.9700763558. The cubic root of 268293 is about 64.4965444937.

It can be divided in two parts, 2682 and 93, that added together give a triangular number (2775 = T₇₄).

The spelling of 268293 in words is "two hundred sixty-eight thousand, two hundred ninety-three".