4164243 has 4 divisors (see below), whose sum is σ = 5552328. Its totient is φ = 2776160.

The previous prime is 4164241. The next prime is 4164253. The reversal of 4164243 is 3424614.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4164243 - 2¹ = 4164241 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4164241) 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 in 3 ways as a sum of consecutive naturals, for example, 694038 + ... + 694043.

It is an arithmetic number, because the mean of its divisors is an integer number (1388082).

Almost surely, 2^4164243 is an apocalyptic number.

4164243 is a deficient number, since it is larger than the sum of its proper divisors (1388085).

4164243 is a wasteful number, since it uses less digits than its factorization.

4164243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388084.

The product of its digits is 2304, while the sum is 24.

The square root of 4164243 is about 2040.6476912980. The cubic root of 4164243 is about 160.8836910569.

Adding to 4164243 its reverse (3424614), we get a palindrome (7588857).

The spelling of 4164243 in words is "four million, one hundred sixty-four thousand, two hundred forty-three".