3189871 has 2 divisors, whose sum is σ = 3189872. Its totient is φ = 3189870.

The previous prime is 3189839. The next prime is 3189889. The reversal of 3189871 is 1789813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3189871 - 2⁵ = 3189839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3189871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3189811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594935 + 1594936.

It is an arithmetic number, because the mean of its divisors is an integer number (1594936).

Almost surely, 2^3189871 is an apocalyptic number.

3189871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189871 is an equidigital number, since it uses as much as digits as its factorization.

3189871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The square root of 3189871 is about 1786.0209965171. The cubic root of 3189871 is about 147.2056141280.

The spelling of 3189871 in words is "three million, one hundred eighty-nine thousand, eight hundred seventy-one".