4043442 has 16 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 1244112.

The previous prime is 4043437. The next prime is 4043443. The reversal of 4043442 is 2443404.

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 7 ways as a sum of consecutive naturals, for example, 25842 + ... + 25997.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 2^4043442 is an apocalyptic number.

4043442 is an abundant number, since it is smaller than the sum of its proper divisors (4665678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4043442 is a wasteful number, since it uses less digits than its factorization.

4043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51857.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4043442 is about 2010.8311714314. The cubic root of 4043442 is about 159.3127029110.

Adding to 4043442 its reverse (2443404), we get a palindrome (6486846).

The spelling of 4043442 in words is "four million, forty-three thousand, four hundred forty-two".