3806111 has 2 divisors, whose sum is σ = 3806112. Its totient is φ = 3806110.

The previous prime is 3806093. The next prime is 3806119. The reversal of 3806111 is 1116083.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3806111 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3806119) 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, 1903055 + 1903056.

It is an arithmetic number, because the mean of its divisors is an integer number (1903056).

Almost surely, 2^3806111 is an apocalyptic number.

3806111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3806111 is an equidigital number, since it uses as much as digits as its factorization.

3806111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 3806111 is about 1950.9256777233. The cubic root of 3806111 is about 156.1326807871.

The spelling of 3806111 in words is "three million, eight hundred six thousand, one hundred eleven".