4043441 has 4 divisors (see below), whose sum is σ = 4182900. Its totient is φ = 3903984.

The previous prime is 4043437. The next prime is 4043443. The reversal of 4043441 is 1443404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 2961841 = 1040^2 + 1721^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043441 - 2² = 4043437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4043443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69686 + ... + 69743.

It is an arithmetic number, because the mean of its divisors is an integer number (1045725).

Almost surely, 2^4043441 is an apocalyptic number.

It is an amenable number.

4043441 is a deficient number, since it is larger than the sum of its proper divisors (139459).

4043441 is a wasteful number, since it uses less digits than its factorization.

4043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139458.

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

The square root of 4043441 is about 2010.8309227779. The cubic root of 4043441 is about 159.3126897776.

Adding to 4043441 its reverse (1443404), we get a palindrome (5486845).

The spelling of 4043441 in words is "four million, forty-three thousand, four hundred forty-one".