3984812 has 12 divisors (see below), whose sum is σ = 7509936. Its totient is φ = 1839120.

The previous prime is 3984809. The next prime is 3984823. The reversal of 3984812 is 2184893.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38264 + ... + 38367.

It is an arithmetic number, because the mean of its divisors is an integer number (625828).

Almost surely, 2^3984812 is an apocalyptic number.

It is an amenable number.

3984812 is a deficient number, since it is larger than the sum of its proper divisors (3525124).

3984812 is a wasteful number, since it uses less digits than its factorization.

3984812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76648 (or 76646 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 3984812 is about 1996.1993888387. The cubic root of 3984812 is about 158.5389383115.

The spelling of 3984812 in words is "three million, nine hundred eighty-four thousand, eight hundred twelve".