3685211 has 2 divisors, whose sum is σ = 3685212. Its totient is φ = 3685210.

The previous prime is 3685169. The next prime is 3685219. The reversal of 3685211 is 1125863.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3685211 - 2⁶ = 3685147 is a prime.

It is a super-2 number, since 2×3685211² = 27161560229042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3685219) 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, 1842605 + 1842606.

It is an arithmetic number, because the mean of its divisors is an integer number (1842606).

Almost surely, 2^3685211 is an apocalyptic number.

3685211 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685211 is an equidigital number, since it uses as much as digits as its factorization.

3685211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 3685211 is about 1919.6903396121. The cubic root of 3685211 is about 154.4616914339.

It can be divided in two parts, 36852 and 11, that added together give a palindrome (36863).

The spelling of 3685211 in words is "three million, six hundred eighty-five thousand, two hundred eleven".