3189943 has 2 divisors, whose sum is σ = 3189944. Its totient is φ = 3189942.

The previous prime is 3189899. The next prime is 3189961. The reversal of 3189943 is 3499813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3189943 - 2¹⁷ = 3058871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3189973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594971 + 1594972.

It is an arithmetic number, because the mean of its divisors is an integer number (1594972).

Almost surely, 2^3189943 is an apocalyptic number.

3189943 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189943 is an equidigital number, since it uses as much as digits as its factorization.

3189943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 3189943 is about 1786.0411529413. The cubic root of 3189943 is about 147.2067216675.

The spelling of 3189943 in words is "three million, one hundred eighty-nine thousand, nine hundred forty-three".