3968219 has 2 divisors, whose sum is σ = 3968220. Its totient is φ = 3968218.

The previous prime is 3968203. The next prime is 3968227. The reversal of 3968219 is 9128693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3968219 - 2⁴ = 3968203 is a prime.

It is a super-2 number, since 2×3968219² = 31493524063922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3968299) by changing a digit.

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, 1984109 + 1984110.

It is an arithmetic number, because the mean of its divisors is an integer number (1984110).

Almost surely, 2^3968219 is an apocalyptic number.

3968219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3968219 is an equidigital number, since it uses as much as digits as its factorization.

3968219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 3968219 is about 1992.0389052426. The cubic root of 3968219 is about 158.3185768950.

The spelling of 3968219 in words is "three million, nine hundred sixty-eight thousand, two hundred nineteen".