3956812 has 12 divisors (see below), whose sum is σ = 6979840. Its totient is φ = 1962576.

The previous prime is 3956803. The next prime is 3956831. The reversal of 3956812 is 2186593.

It is a super-2 number, since 2×3956812² = 31312722406688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3387 + ... + 4402.

Almost surely, 2^3956812 is an apocalyptic number.

It is an amenable number.

3956812 is a deficient number, since it is larger than the sum of its proper divisors (3023028).

3956812 is a wasteful number, since it uses less digits than its factorization.

3956812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920 (or 7918 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 3956812 is about 1989.1736977951. The cubic root of 3956812 is about 158.1667310064.

The spelling of 3956812 in words is "three million, nine hundred fifty-six thousand, eight hundred twelve".