1382831868 has 48 divisors (see below), whose sum is σ = 3522879360. Its totient is φ = 418689600.

The previous prime is 1382831861. The next prime is 1382831873. The reversal of 1382831868 is 8681382831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382831861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184963 + ... + 192293.

It is an arithmetic number, because the mean of its divisors is an integer number (73393320).

Almost surely, 2^1382831868 is an apocalyptic number.

It is an amenable number.

1382831868 is an abundant number, since it is smaller than the sum of its proper divisors (2140047492).

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

1382831868 is a wasteful number, since it uses less digits than its factorization.

1382831868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778 (or 8776 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 1382831868 is about 37186.4473699761. The cubic root of 1382831868 is about 1114.0973122533.

The spelling of 1382831868 in words is "one billion, three hundred eighty-two million, eight hundred thirty-one thousand, eight hundred sixty-eight".