3966808 has 8 divisors (see below), whose sum is σ = 7437780. Its totient is φ = 1983400.

The previous prime is 3966803. The next prime is 3966817. The reversal of 3966808 is 8086693.

3966808 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966803) 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 as a sum of consecutive naturals, namely, 247918 + ... + 247933.

Almost surely, 2^3966808 is an apocalyptic number.

It is an amenable number.

3966808 is a deficient number, since it is larger than the sum of its proper divisors (3470972).

3966808 is a wasteful number, since it uses less digits than its factorization.

3966808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495857 (or 495853 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 3966808 is about 1991.6847140047. The cubic root of 3966808 is about 158.2998099541.

Subtracting 3966808 from its reverse (8086693), we obtain a triangular number (4119885 = T₂₈₇₀).

It can be divided in two parts, 3966 and 808, that added together give a palindrome (4774).

The spelling of 3966808 in words is "three million, nine hundred sixty-six thousand, eight hundred eight".