268693839 has 12 divisors (see below), whose sum is σ = 408540600. Its totient is φ = 169701264.

The previous prime is 268693781. The next prime is 268693849. The reversal of 268693839 is 938396862.

It is not a de Polignac number, because 268693839 - 2⁸ = 268693583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268693849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 785484 + ... + 785825.

It is an arithmetic number, because the mean of its divisors is an integer number (34045050).

Almost surely, 2^268693839 is an apocalyptic number.

268693839 is a deficient number, since it is larger than the sum of its proper divisors (139846761).

268693839 is a wasteful number, since it uses less digits than its factorization.

268693839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571334 (or 1571331 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 268693839 is about 16391.8833268176. The cubic root of 268693839 is about 645.2864853183.

The spelling of 268693839 in words is "two hundred sixty-eight million, six hundred ninety-three thousand, eight hundred thirty-nine".