268931382 has 32 divisors (see below), whose sum is σ = 552061440. Its totient is φ = 87286080.

The previous prime is 268931353. The next prime is 268931401. The reversal of 268931382 is 283139862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205743 + ... + 207045.

It is an arithmetic number, because the mean of its divisors is an integer number (17251920).

Almost surely, 2^268931382 is an apocalyptic number.

268931382 is an abundant number, since it is smaller than the sum of its proper divisors (283130058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268931382 is a wasteful number, since it uses less digits than its factorization.

268931382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188.

The product of its digits is 124416, while the sum is 42.

The square root of 268931382 is about 16399.1274767897. The cubic root of 268931382 is about 645.4765878522.

The spelling of 268931382 in words is "two hundred sixty-eight million, nine hundred thirty-one thousand, three hundred eighty-two".