3964216 has 8 divisors (see below), whose sum is σ = 7432920. Its totient is φ = 1982104.

The previous prime is 3964201. The next prime is 3964229. The reversal of 3964216 is 6124693.

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

It is a congruent 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 as a sum of consecutive naturals, namely, 247756 + ... + 247771.

It is an arithmetic number, because the mean of its divisors is an integer number (929115).

Almost surely, 2^3964216 is an apocalyptic number.

It is an amenable number.

3964216 is a deficient number, since it is larger than the sum of its proper divisors (3468704).

3964216 is a wasteful number, since it uses less digits than its factorization.

3964216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495533 (or 495529 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 3964216 is about 1991.0339022729. The cubic root of 3964216 is about 158.2653235771.

The spelling of 3964216 in words is "three million, nine hundred sixty-four thousand, two hundred sixteen".