2044543 has 8 divisors (see below), whose sum is σ = 2134656. Its totient is φ = 1956000.

The previous prime is 2044541. The next prime is 2044561. The reversal of 2044543 is 3454402.

It is a happy number.

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 2044543 - 2¹ = 2044541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044541) 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, 2805 + ... + 3457.

It is an arithmetic number, because the mean of its divisors is an integer number (266832).

2^2044543 is an apocalyptic number.

2044543 is a deficient number, since it is larger than the sum of its proper divisors (90113).

2044543 is a wasteful number, since it uses less digits than its factorization.

2044543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2044543 is about 1429.8751693767. The cubic root of 2044543 is about 126.9205901987.

Adding to 2044543 its reverse (3454402), we get a palindrome (5498945).

The spelling of 2044543 in words is "two million, forty-four thousand, five hundred forty-three".