4421243 has 8 divisors (see below), whose sum is σ = 4753920. Its totient is φ = 4098600.

The previous prime is 4421237. The next prime is 4421257. The reversal of 4421243 is 3421244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4421243 - 2⁴ = 4421227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583 + ... + 3368.

It is an arithmetic number, because the mean of its divisors is an integer number (594240).

Almost surely, 2^4421243 is an apocalyptic number.

4421243 is a deficient number, since it is larger than the sum of its proper divisors (332677).

4421243 is a wasteful number, since it uses less digits than its factorization.

4421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017.

The product of its digits is 768, while the sum is 20.

The square root of 4421243 is about 2102.6752007859. The cubic root of 4421243 is about 164.1275405854.

Adding to 4421243 its reverse (3421244), we get a palindrome (7842487).

Subtracting from 4421243 its reverse (3421244), we obtain a palindrome (999999).

It can be divided in two parts, 4421 and 243, that added together give a palindrome (4664).

The spelling of 4421243 in words is "four million, four hundred twenty-one thousand, two hundred forty-three".