3966446 has 16 divisors (see below), whose sum is σ = 6715440. Its totient is φ = 1740480.

The previous prime is 3966439. The next prime is 3966503. The reversal of 3966446 is 6446693.

It is a happy number.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 2471 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (419715).

Almost surely, 2^3966446 is an apocalyptic number.

3966446 is a deficient number, since it is larger than the sum of its proper divisors (2748994).

3966446 is a wasteful number, since it uses less digits than its factorization.

3966446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259.

The product of its digits is 93312, while the sum is 38.

The square root of 3966446 is about 1991.5938340937. The cubic root of 3966446 is about 158.2949944724.

The spelling of 3966446 in words is "three million, nine hundred sixty-six thousand, four hundred forty-six".