3966673 has 4 divisors (see below), whose sum is σ = 3976560. Its totient is φ = 3956788.

The previous prime is 3966631. The next prime is 3966689. The reversal of 3966673 is 3766693.

3966673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3966673 - 2⁹ = 3966161 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3966623) 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 3 ways as a sum of consecutive naturals, for example, 4315 + ... + 5152.

It is an arithmetic number, because the mean of its divisors is an integer number (994140).

Almost surely, 2^3966673 is an apocalyptic number.

It is an amenable number.

3966673 is a deficient number, since it is larger than the sum of its proper divisors (9887).

3966673 is an equidigital number, since it uses as much as digits as its factorization.

3966673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9886.

The product of its digits is 122472, while the sum is 40.

The square root of 3966673 is about 1991.6508228101. The cubic root of 3966673 is about 158.2980141595.

The spelling of 3966673 in words is "three million, nine hundred sixty-six thousand, six hundred seventy-three".