2000943 has 20 divisors (see below), whose sum is σ = 3417040. Its totient is φ = 1143072.

The previous prime is 2000941. The next prime is 2000953. The reversal of 2000943 is 3490002.

2000943 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 2000943 - 2¹ = 2000941 is a prime.

It is a Duffinian number.

2000943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1198 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (170852).

2^2000943 is an apocalyptic number.

2000943 is a deficient number, since it is larger than the sum of its proper divisors (1416097).

2000943 is an equidigital number, since it uses as much as digits as its factorization.

2000943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2000943 is about 1414.5469239301. The cubic root of 2000943 is about 126.0119036373.

Adding to 2000943 its reverse (3490002), we get a palindrome (5490945).

The spelling of 2000943 in words is "two million, nine hundred forty-three", and thus it is an aban number.