268613938 has 16 divisors (see below), whose sum is σ = 405620280. Its totient is φ = 133410816.

The previous prime is 268613929. The next prime is 268613951. The reversal of 268613938 is 839316862.

It can be written as a sum of positive squares in 4 ways, for example, as 129208689 + 139405249 = 11367^2 + 11807^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237358 + ... + 238486.

Almost surely, 2^268613938 is an apocalyptic number.

268613938 is a deficient number, since it is larger than the sum of its proper divisors (137006342).

268613938 is a wasteful number, since it uses less digits than its factorization.

268613938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its digits is 373248, while the sum is 46.

The square root of 268613938 is about 16389.4459332828. The cubic root of 268613938 is about 645.2225164195. Note that the first 3 decimals are identical.

The spelling of 268613938 in words is "two hundred sixty-eight million, six hundred thirteen thousand, nine hundred thirty-eight".