3941666 has 16 divisors (see below), whose sum is σ = 6057504. Its totient is φ = 1923264.

The previous prime is 3941653. The next prime is 3941669. The reversal of 3941666 is 6661493.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3941669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24101 + ... + 24263.

It is an arithmetic number, because the mean of its divisors is an integer number (378594).

Almost surely, 2^3941666 is an apocalyptic number.

3941666 is a deficient number, since it is larger than the sum of its proper divisors (2115838).

3941666 is a wasteful number, since it uses less digits than its factorization.

3941666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 23328, while the sum is 35.

The square root of 3941666 is about 1985.3629391121. The cubic root of 3941666 is about 157.9646612201.

The spelling of 3941666 in words is "three million, nine hundred forty-one thousand, six hundred sixty-six".