4066943 has 2 divisors, whose sum is σ = 4066944. Its totient is φ = 4066942.

The previous prime is 4066901. The next prime is 4066949. The reversal of 4066943 is 3496604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4066943 - 2⁶ = 4066879 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033471 + 2033472.

It is an arithmetic number, because the mean of its divisors is an integer number (2033472).

Almost surely, 2^4066943 is an apocalyptic number.

4066943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066943 is an equidigital number, since it uses as much as digits as its factorization.

4066943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 4066943 is about 2016.6663085399. Note that the first 3 decimals coincide. The cubic root of 4066943 is about 159.6207554408.

The spelling of 4066943 in words is "four million, sixty-six thousand, nine hundred forty-three".