2163044 has 12 divisors (see below), whose sum is σ = 4076604. Its totient is φ = 998304.

The previous prime is 2163043. The next prime is 2163059. The reversal of 2163044 is 4403612.

It is a happy number.

2163044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 504100 + 1658944 = 710^2 + 1288^2 .

It is not an unprimeable number, because it can be changed into a prime (2163041) 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, 20747 + ... + 20850.

It is an arithmetic number, because the mean of its divisors is an integer number (339717).

2^2163044 is an apocalyptic number.

It is an amenable number.

2163044 is a deficient number, since it is larger than the sum of its proper divisors (1913560).

2163044 is a wasteful number, since it uses less digits than its factorization.

2163044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41614 (or 41612 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2163044 is about 1470.7290709033. The cubic root of 2163044 is about 129.3267760400.

Adding to 2163044 its reverse (4403612), we get a palindrome (6566656).

The spelling of 2163044 in words is "two million, one hundred sixty-three thousand, forty-four".