4385243 has 2 divisors, whose sum is σ = 4385244. Its totient is φ = 4385242.

The previous prime is 4385209. The next prime is 4385263. The reversal of 4385243 is 3425834.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4385243 - 2⁸ = 4384987 is a prime.

It is a super-3 number, since 3×4385243³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 4⁶ + 3⁸ + 8 + 5⁵ + 2 + 4¹¹ + 3¹¹ .

It is equal to p₃₀₈₃₉₆ and since 4385243 and 308396 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4385263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2192621 + 2192622.

It is an arithmetic number, because the mean of its divisors is an integer number (2192622).

Almost surely, 2^4385243 is an apocalyptic number.

4385243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4385243 is an equidigital number, since it uses as much as digits as its factorization.

4385243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 29.

The square root of 4385243 is about 2094.0971801710. The cubic root of 4385243 is about 163.6808561487.

The spelling of 4385243 in words is "four million, three hundred eighty-five thousand, two hundred forty-three".