1396999683 has 16 divisors (see below), whose sum is σ = 2120109600. Its totient is φ = 908616960.

The previous prime is 1396999679. The next prime is 1396999697. The reversal of 1396999683 is 3869996931.

It is not a de Polignac number, because 1396999683 - 2² = 1396999679 is a prime.

It is a super-2 number, since 2×1396999683² = 3903216228604200978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1396999683.

It is not an unprimeable number, because it can be changed into a prime (1396999673) by changing a digit.

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, 629878 + ... + 632091.

It is an arithmetic number, because the mean of its divisors is an integer number (132506850).

Almost surely, 2^1396999683 is an apocalyptic number.

1396999683 is a deficient number, since it is larger than the sum of its proper divisors (723109917).

1396999683 is a wasteful number, since it uses less digits than its factorization.

1396999683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262019 (or 1262013 counting only the distinct ones).

The product of its digits is 17006112, while the sum is 63.

The square root of 1396999683 is about 37376.4589414246. The cubic root of 1396999683 is about 1117.8892225560.

The spelling of 1396999683 in words is "one billion, three hundred ninety-six million, nine hundred ninety-nine thousand, six hundred eighty-three".