3941111 has 2 divisors, whose sum is σ = 3941112. Its totient is φ = 3941110.

The previous prime is 3941107. The next prime is 3941117. The reversal of 3941111 is 1111493.

It is a weak prime.

It is an emirp because it is prime and its reverse (1111493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3941111 - 2² = 3941107 is a prime.

3941111 is a modest number, since divided by 1111 gives 394 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3941117) 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, 1970555 + 1970556.

It is an arithmetic number, because the mean of its divisors is an integer number (1970556).

Almost surely, 2^3941111 is an apocalyptic number.

3941111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3941111 is an equidigital number, since it uses as much as digits as its factorization.

3941111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 20.

The square root of 3941111 is about 1985.2231612592. The cubic root of 3941111 is about 157.9572468847.

It can be divided in two parts, 394 and 1111, that multiplied together give a palindrome (437734).

The spelling of 3941111 in words is "three million, nine hundred forty-one thousand, one hundred eleven".