3966616 has 8 divisors (see below), whose sum is σ = 7437420. Its totient is φ = 1983304.

The previous prime is 3966607. The next prime is 3966617. The reversal of 3966616 is 6166693.

3966616 is digitally balanced in base 5, because in such base 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 hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247906 + ... + 247921.

Almost surely, 2^3966616 is an apocalyptic number.

It is an amenable number.

3966616 is a deficient number, since it is larger than the sum of its proper divisors (3470804).

3966616 is a wasteful number, since it uses less digits than its factorization.

3966616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495833 (or 495829 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 3966616 is about 1991.6365130214. The cubic root of 3966616 is about 158.2972559229.

The spelling of 3966616 in words is "three million, nine hundred sixty-six thousand, six hundred sixteen".