3983816 has 8 divisors (see below), whose sum is σ = 7469670. Its totient is φ = 1991904.

The previous prime is 3983809. The next prime is 3983839. The reversal of 3983816 is 6183893.

3983816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 23716 = 1990^2 + 154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3983816.

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 as a sum of consecutive naturals, namely, 248981 + ... + 248996.

Almost surely, 2^3983816 is an apocalyptic number.

It is an amenable number.

3983816 is a deficient number, since it is larger than the sum of its proper divisors (3485854).

3983816 is a wasteful number, since it uses less digits than its factorization.

3983816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497983 (or 497979 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 3983816 is about 1995.9498991708. The cubic root of 3983816 is about 158.5257283249.

The spelling of 3983816 in words is "three million, nine hundred eighty-three thousand, eight hundred sixteen".