3966448 has 20 divisors (see below), whose sum is σ = 7738840. Its totient is φ = 1969344.

The previous prime is 3966439. The next prime is 3966503. The reversal of 3966448 is 8446693.

3966448 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3966448.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1723 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (386942).

Almost surely, 2^3966448 is an apocalyptic number.

It is an amenable number.

3966448 is a deficient number, since it is larger than the sum of its proper divisors (3772392).

3966448 is a wasteful number, since it uses less digits than its factorization.

3966448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1738 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 3966448 is about 1991.5943362040. The cubic root of 3966448 is about 158.2950210780.

The spelling of 3966448 in words is "three million, nine hundred sixty-six thousand, four hundred forty-eight".