268587243 has 12 divisors (see below), whose sum is σ = 388220040. Its totient is φ = 178937856.

The previous prime is 268587223. The next prime is 268587257. The reversal of 268587243 is 342785862.

268587243 is a `hidden beast` number, since 2 + 68 + 587 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 268587243 - 2¹⁴ = 268570859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268587223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5355 + ... + 23787.

It is an arithmetic number, because the mean of its divisors is an integer number (32351670).

Almost surely, 2^268587243 is an apocalyptic number.

268587243 is a deficient number, since it is larger than the sum of its proper divisors (119632797).

268587243 is a wasteful number, since it uses less digits than its factorization.

268587243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20058 (or 20055 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 268587243 is about 16388.6315169998. The cubic root of 268587243 is about 645.2011415226.

The spelling of 268587243 in words is "two hundred sixty-eight million, five hundred eighty-seven thousand, two hundred forty-three".