268693 has 2 divisors, whose sum is σ = 268694. Its totient is φ = 268692.

The previous prime is 268661. The next prime is 268721. The reversal of 268693 is 396862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154449 + 114244 = 393^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 268693 - 2⁵ = 268661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134346 + 134347.

It is an arithmetic number, because the mean of its divisors is an integer number (134347).

2²⁶⁸⁶⁹³ is an apocalyptic number.

It is an amenable number.

268693 is a deficient number, since it is larger than the sum of its proper divisors (1).

268693 is an equidigital number, since it uses as much as digits as its factorization.

268693 is an evil number, because the sum of its binary digits is even.

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

The square root of 268693 is about 518.3560552362. The cubic root of 268693 is about 64.5285813679.

It can be divided in two parts, 268 and 693, that added together give a square (961 = 31²).

The spelling of 268693 in words is "two hundred sixty-eight thousand, six hundred ninety-three".