3685111 has 2 divisors, whose sum is σ = 3685112. Its totient is φ = 3685110.

The previous prime is 3685051. The next prime is 3685133. The reversal of 3685111 is 1115863.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3685111 - 2¹⁷ = 3554039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3685151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842555 + 1842556.

It is an arithmetic number, because the mean of its divisors is an integer number (1842556).

Almost surely, 2^3685111 is an apocalyptic number.

3685111 is the 859-th centered decagonal number.

3685111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685111 is an equidigital number, since it uses as much as digits as its factorization.

3685111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 25.

The square root of 3685111 is about 1919.6642935680. The cubic root of 3685111 is about 154.4602942901.

The spelling of 3685111 in words is "three million, six hundred eighty-five thousand, one hundred eleven".