4489843 has 2 divisors, whose sum is σ = 4489844. Its totient is φ = 4489842.

The previous prime is 4489813. The next prime is 4489847. The reversal of 4489843 is 3489844.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4489843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4489796 and 4489805.

It is not a weakly prime, because it can be changed into another prime (4489847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2244921 + 2244922.

It is an arithmetic number, because the mean of its divisors is an integer number (2244922).

Almost surely, 2^4489843 is an apocalyptic number.

4489843 is a deficient number, since it is larger than the sum of its proper divisors (1).

4489843 is an equidigital number, since it uses as much as digits as its factorization.

4489843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 40.

The square root of 4489843 is about 2118.9249632774. The cubic root of 4489843 is about 164.9720552614.

Subtracting from 4489843 its reverse (3489844), we obtain a palindrome (999999).

The spelling of 4489843 in words is "four million, four hundred eighty-nine thousand, eight hundred forty-three".