3081943 has 2 divisors, whose sum is σ = 3081944. Its totient is φ = 3081942.

The previous prime is 3081937. The next prime is 3081959. The reversal of 3081943 is 3491803.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3081943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3081343) 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, 1540971 + 1540972.

It is an arithmetic number, because the mean of its divisors is an integer number (1540972).

Almost surely, 2^3081943 is an apocalyptic number.

3081943 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081943 is an equidigital number, since it uses as much as digits as its factorization.

3081943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3081943 is about 1755.5463537030. The cubic root of 3081943 is about 145.5263155875.

The spelling of 3081943 in words is "three million, eighty-one thousand, nine hundred forty-three".