3996973612 has 6 divisors (see below), whose sum is σ = 6994703828. Its totient is φ = 1998486804.

The previous prime is 3996973609. The next prime is 3996973663. The reversal of 3996973612 is 2163796993.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499621698 + ... + 499621705.

Almost surely, 2^3996973612 is an apocalyptic number.

It is an amenable number.

3996973612 is a deficient number, since it is larger than the sum of its proper divisors (2997730216).

3996973612 is a wasteful number, since it uses less digits than its factorization.

3996973612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999243407 (or 999243405 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 55.

The square root of 3996973612 is about 63221.6229782185. The cubic root of 3996973612 is about 1587.0006100022. Note that the first 3 decimals are identical.

The spelling of 3996973612 in words is "three billion, nine hundred ninety-six million, nine hundred seventy-three thousand, six hundred twelve".