4421843 has 4 divisors (see below), whose sum is σ = 4505328. Its totient is φ = 4338360.

The previous prime is 4421839. The next prime is 4421849. The reversal of 4421843 is 3481244.

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 4421843 - 2² = 4421839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41663 + ... + 41768.

It is an arithmetic number, because the mean of its divisors is an integer number (1126332).

Almost surely, 2^4421843 is an apocalyptic number.

4421843 is a deficient number, since it is larger than the sum of its proper divisors (83485).

4421843 is an equidigital number, since it uses as much as digits as its factorization.

4421843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83484.

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

The square root of 4421843 is about 2102.8178713336. The cubic root of 4421843 is about 164.1349647472.

The spelling of 4421843 in words is "four million, four hundred twenty-one thousand, eight hundred forty-three".