1268397382 has 32 divisors (see below), whose sum is σ = 2191544064. Its totient is φ = 539330400.

The previous prime is 1268397349. The next prime is 1268397391. The reversal of 1268397382 is 2837938621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1544532 + ... + 1545352.

It is an arithmetic number, because the mean of its divisors is an integer number (68485752).

Almost surely, 2^1268397382 is an apocalyptic number.

1268397382 is a deficient number, since it is larger than the sum of its proper divisors (923146682).

1268397382 is a wasteful number, since it uses less digits than its factorization.

1268397382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564.

The product of its digits is 870912, while the sum is 49.

The square root of 1268397382 is about 35614.5669916117. The cubic root of 1268397382 is about 1082.4764223166.

The spelling of 1268397382 in words is "one billion, two hundred sixty-eight million, three hundred ninety-seven thousand, three hundred eighty-two".