3688871 has 2 divisors, whose sum is σ = 3688872. Its totient is φ = 3688870.

The previous prime is 3688859. The next prime is 3688877. The reversal of 3688871 is 1788863.

3688871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1788863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3688871 - 2¹⁰ = 3687847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3688877) 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, 1844435 + 1844436.

It is an arithmetic number, because the mean of its divisors is an integer number (1844436).

Almost surely, 2^3688871 is an apocalyptic number.

3688871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3688871 is an equidigital number, since it uses as much as digits as its factorization.

3688871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 3688871 is about 1920.6433817864. The cubic root of 3688871 is about 154.5128095146.

The spelling of 3688871 in words is "three million, six hundred eighty-eight thousand, eight hundred seventy-one".