3966211 has 2 divisors, whose sum is σ = 3966212. Its totient is φ = 3966210.

The previous prime is 3966197. The next prime is 3966223. The reversal of 3966211 is 1126693.

It is a strong prime.

It is an emirp because it is prime and its reverse (1126693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3966211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3966211.

It is not a weakly prime, because it can be changed into another prime (3966271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983105 + 1983106.

It is an arithmetic number, because the mean of its divisors is an integer number (1983106).

Almost surely, 2^3966211 is an apocalyptic number.

3966211 is a deficient number, since it is larger than the sum of its proper divisors (1).

3966211 is an equidigital number, since it uses as much as digits as its factorization.

3966211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 3966211 is about 1991.5348352464. The cubic root of 3966211 is about 158.2918682431.

The spelling of 3966211 in words is "three million, nine hundred sixty-six thousand, two hundred eleven".