3861211 has 2 divisors, whose sum is σ = 3861212. Its totient is φ = 3861210.

The previous prime is 3861203. The next prime is 3861223. The reversal of 3861211 is 1121683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3861211 - 2³ = 3861203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3861241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930605 + 1930606.

It is an arithmetic number, because the mean of its divisors is an integer number (1930606).

Almost surely, 2^3861211 is an apocalyptic number.

3861211 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861211 is an equidigital number, since it uses as much as digits as its factorization.

3861211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 3861211 is about 1964.9964376558. The cubic root of 3861211 is about 156.8825036754.

Adding to 3861211 its reverse (1121683), we get a palindrome (4982894).

The spelling of 3861211 in words is "three million, eight hundred sixty-one thousand, two hundred eleven".