3946216 has 8 divisors (see below), whose sum is σ = 7399170. Its totient is φ = 1973104.

The previous prime is 3946213. The next prime is 3946219. The reversal of 3946216 is 6126493.

It is an interprime number because it is at equal distance from previous prime (3946213) and next prime (3946219).

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 298116 = 1910^2 + 546^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3946211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246631 + ... + 246646.

Almost surely, 2^3946216 is an apocalyptic number.

It is an amenable number.

3946216 is a deficient number, since it is larger than the sum of its proper divisors (3452954).

3946216 is a wasteful number, since it uses less digits than its factorization.

3946216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493283 (or 493279 counting only the distinct ones).

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

The square root of 3946216 is about 1986.5084948220. The cubic root of 3946216 is about 158.0254191865.

The spelling of 3946216 in words is "three million, nine hundred forty-six thousand, two hundred sixteen".