4431243 has 4 divisors (see below), whose sum is σ = 5908328. Its totient is φ = 2954160.

The previous prime is 4431241. The next prime is 4431257. The reversal of 4431243 is 3421344.

4431243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4431243 - 2¹ = 4431241 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431241) 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, 738538 + ... + 738543.

It is an arithmetic number, because the mean of its divisors is an integer number (1477082).

Almost surely, 2^4431243 is an apocalyptic number.

4431243 is a deficient number, since it is larger than the sum of its proper divisors (1477085).

4431243 is a wasteful number, since it uses less digits than its factorization.

4431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477084.

The product of its digits is 1152, while the sum is 21.

The square root of 4431243 is about 2105.0517808358. The cubic root of 4431243 is about 164.2511890362.

Adding to 4431243 its reverse (3421344), we get a palindrome (7852587).

The spelling of 4431243 in words is "four million, four hundred thirty-one thousand, two hundred forty-three".