4418243 has 2 divisors, whose sum is σ = 4418244. Its totient is φ = 4418242.

The previous prime is 4418221. The next prime is 4418261. The reversal of 4418243 is 3428144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4418243 - 2¹² = 4414147 is a prime.

It is a super-3 number, since 3×4418243³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (4418273) 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, 2209121 + 2209122.

It is an arithmetic number, because the mean of its divisors is an integer number (2209122).

Almost surely, 2^4418243 is an apocalyptic number.

4418243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4418243 is an equidigital number, since it uses as much as digits as its factorization.

4418243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 26.

The square root of 4418243 is about 2101.9617027910. The cubic root of 4418243 is about 164.0904096978.

Subtracting from 4418243 its reverse (3428144), we obtain a palindrome (990099).

The spelling of 4418243 in words is "four million, four hundred eighteen thousand, two hundred forty-three".