4243793 has 2 divisors, whose sum is σ = 4243794. Its totient is φ = 4243792.

The previous prime is 4243781. The next prime is 4243819. The reversal of 4243793 is 3973424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4231249 + 12544 = 2057^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243793 - 2²⁰ = 3195217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4243093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121896 + 2121897.

It is an arithmetic number, because the mean of its divisors is an integer number (2121897).

Almost surely, 2^4243793 is an apocalyptic number.

It is an amenable number.

4243793 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243793 is an equidigital number, since it uses as much as digits as its factorization.

4243793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 4243793 is about 2060.0468441276. The cubic root of 4243793 is about 161.9016956812.

The spelling of 4243793 in words is "four million, two hundred forty-three thousand, seven hundred ninety-three".