3946219 has 2 divisors, whose sum is σ = 3946220. Its totient is φ = 3946218.

The previous prime is 3946213. The next prime is 3946223. The reversal of 3946219 is 9126493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3946219 - 2³ = 3946211 is a prime.

It is a super-2 number, since 2×3946219² = 31145288791922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3946211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973109 + 1973110.

It is an arithmetic number, because the mean of its divisors is an integer number (1973110).

Almost surely, 2^3946219 is an apocalyptic number.

3946219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946219 is an equidigital number, since it uses as much as digits as its factorization.

3946219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 3946219 is about 1986.5092499155. The cubic root of 3946219 is about 158.0254592313.

The spelling of 3946219 in words is "three million, nine hundred forty-six thousand, two hundred nineteen".