8939243 has 2 divisors, whose sum is σ = 8939244. Its totient is φ = 8939242.

The previous prime is 8939233. The next prime is 8939257. The reversal of 8939243 is 3429398.

8939243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8939243 - 2⁶ = 8939179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8939197 and 8939206.

It is not a weakly prime, because it can be changed into another prime (8939233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4469621 + 4469622.

It is an arithmetic number, because the mean of its divisors is an integer number (4469622).

Almost surely, 2^8939243 is an apocalyptic number.

8939243 is a deficient number, since it is larger than the sum of its proper divisors (1).

8939243 is an equidigital number, since it uses as much as digits as its factorization.

8939243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 8939243 is about 2989.8566855286. The cubic root of 8939243 is about 207.5392522636.

The spelling of 8939243 in words is "eight million, nine hundred thirty-nine thousand, two hundred forty-three".