268585864 has 16 divisors (see below), whose sum is σ = 503930700. Its totient is φ = 134204352.

The previous prime is 268585861. The next prime is 268585903. The reversal of 268585864 is 468585862.

It can be written as a sum of positive squares in 2 ways, for example, as 214856964 + 53728900 = 14658^2 + 7330^2 .

It is not an unprimeable number, because it can be changed into a prime (268585861) 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, 2842 + ... + 23350.

Almost surely, 2^268585864 is an apocalyptic number.

It is an amenable number.

268585864 is a deficient number, since it is larger than the sum of its proper divisors (235344836).

268585864 is a wasteful number, since it uses less digits than its factorization.

268585864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22152 (or 22148 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 52.

The square root of 268585864 is about 16388.5894450987. The cubic root of 268585864 is about 645.2000373079.

The spelling of 268585864 in words is "two hundred sixty-eight million, five hundred eighty-five thousand, eight hundred sixty-four".