3966668 has 36 divisors (see below), whose sum is σ = 7616952. Its totient is φ = 1805760.

The previous prime is 3966631. The next prime is 3966689. The reversal of 3966668 is 8666693.

3966668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 59171 + ... + 59237.

It is an arithmetic number, because the mean of its divisors is an integer number (211582).

Almost surely, 2^3966668 is an apocalyptic number.

3966668 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3966668 is a deficient number, since it is larger than the sum of its proper divisors (3650284).

3966668 is a wasteful number, since it uses less digits than its factorization.

3966668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 129 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 3966668 is about 1991.6495675696. The cubic root of 3966668 is about 158.2979476478.

The spelling of 3966668 in words is "three million, nine hundred sixty-six thousand, six hundred sixty-eight".