4440043 has 8 divisors (see below), whose sum is σ = 4802112. Its totient is φ = 4089216.

The previous prime is 4440041. The next prime is 4440049. The reversal of 4440043 is 3400444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4440043 - 2¹ = 4440041 is a prime.

It is a Duffinian number.

4440043 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4440043.

It is not an unprimeable number, because it can be changed into a prime (4440041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980 + ... + 3577.

It is an arithmetic number, because the mean of its divisors is an integer number (600264).

Almost surely, 2^4440043 is an apocalyptic number.

4440043 is a deficient number, since it is larger than the sum of its proper divisors (362069).

4440043 is a wasteful number, since it uses less digits than its factorization.

4440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4440043 is about 2107.1409539943. The cubic root of 4440043 is about 164.3598458852.

Adding to 4440043 its reverse (3400444), we get a palindrome (7840487).

The spelling of 4440043 in words is "four million, four hundred forty thousand, forty-three".