4431043 has 4 divisors (see below), whose sum is σ = 4480920. Its totient is φ = 4381168.

The previous prime is 4431029. The next prime is 4431059. The reversal of 4431043 is 3401344.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4431043 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4431043.

It is not an unprimeable number, because it can be changed into a prime (4431023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24805 + ... + 24982.

It is an arithmetic number, because the mean of its divisors is an integer number (1120230).

Almost surely, 2^4431043 is an apocalyptic number.

4431043 is a deficient number, since it is larger than the sum of its proper divisors (49877).

4431043 is an equidigital number, since it uses as much as digits as its factorization.

4431043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49876.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4431043 is about 2105.0042755301. The cubic root of 4431043 is about 164.2487178912.

Adding to 4431043 its reverse (3401344), we get a palindrome (7832387).

The spelling of 4431043 in words is "four million, four hundred thirty-one thousand, forty-three".