3966906 has 16 divisors (see below), whose sum is σ = 8035200. Its totient is φ = 1305408.

The previous prime is 3966889. The next prime is 3966913. The reversal of 3966906 is 6096693.

It is a Curzon 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, 3711 + ... + 4658.

It is an arithmetic number, because the mean of its divisors is an integer number (502200).

Almost surely, 2^3966906 is an apocalyptic number.

3966906 is an abundant number, since it is smaller than the sum of its proper divisors (4068294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3966906 is a wasteful number, since it uses less digits than its factorization.

3966906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 3966906 is about 1991.7093161403. The cubic root of 3966906 is about 158.3011135424.

The spelling of 3966906 in words is "three million, nine hundred sixty-six thousand, nine hundred six".