3966166 has 16 divisors (see below), whose sum is σ = 6259968. Its totient is φ = 1881000.

The previous prime is 3966161. The next prime is 3966173. The reversal of 3966166 is 6616693.

3966166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6661 + ... + 7231.

It is an arithmetic number, because the mean of its divisors is an integer number (391248).

Almost surely, 2^3966166 is an apocalyptic number.

3966166 is a deficient number, since it is larger than the sum of its proper divisors (2293802).

3966166 is a wasteful number, since it uses less digits than its factorization.

3966166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747.

The product of its digits is 34992, while the sum is 37.

The square root of 3966166 is about 1991.5235373954. The cubic root of 3966166 is about 158.2912695894.

The spelling of 3966166 in words is "three million, nine hundred sixty-six thousand, one hundred sixty-six".