3811669 has 2 divisors, whose sum is σ = 3811670. Its totient is φ = 3811668.

The previous prime is 3811657. The next prime is 3811681. The reversal of 3811669 is 9661183.

3811669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3811657) and next prime (3811681).

It can be written as a sum of positive squares in only one way, i.e., 3659569 + 152100 = 1913^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 3811669 - 2⁷ = 3811541 is a prime.

It is a super-2 number, since 2×3811669² = 29057641131122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3811369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1905834 + 1905835.

It is an arithmetic number, because the mean of its divisors is an integer number (1905835).

Almost surely, 2^3811669 is an apocalyptic number.

It is an amenable number.

3811669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3811669 is an equidigital number, since it uses as much as digits as its factorization.

3811669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 3811669 is about 1952.3496100852. The cubic root of 3811669 is about 156.2086431345.

The spelling of 3811669 in words is "three million, eight hundred eleven thousand, six hundred sixty-nine".