3868243 has 2 divisors, whose sum is σ = 3868244. Its totient is φ = 3868242.

The previous prime is 3868219. The next prime is 3868247. The reversal of 3868243 is 3428683.

3868243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3868243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3868199 and 3868208.

It is not a weakly prime, because it can be changed into another prime (3868247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934121 + 1934122.

It is an arithmetic number, because the mean of its divisors is an integer number (1934122).

Almost surely, 2^3868243 is an apocalyptic number.

3868243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868243 is an equidigital number, since it uses as much as digits as its factorization.

3868243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 3868243 is about 1966.7849399464. The cubic root of 3868243 is about 156.9776835496.

The spelling of 3868243 in words is "three million, eight hundred sixty-eight thousand, two hundred forty-three".