1392806692 has 12 divisors (see below), whose sum is σ = 2437939980. Its totient is φ = 696252416.

The previous prime is 1392806659. The next prime is 1392806707. The reversal of 1392806692 is 2966082931.

It can be written as a sum of positive squares in 2 ways, for example, as 688222756 + 704583936 = 26234^2 + 26544^2 .

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 3 ways as a sum of consecutive naturals, for example, 15517 + ... + 55012.

It is an arithmetic number, because the mean of its divisors is an integer number (203161665).

Almost surely, 2^1392806692 is an apocalyptic number.

It is an amenable number.

1392806692 is a deficient number, since it is larger than the sum of its proper divisors (1045133288).

1392806692 is a wasteful number, since it uses less digits than its factorization.

1392806692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75470 (or 75468 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1392806692 is about 37320.3254541007. The cubic root of 1392806692 is about 1116.7696811873.

The spelling of 1392806692 in words is "one billion, three hundred ninety-two million, eight hundred six thousand, six hundred ninety-two".