2000945 has 8 divisors (see below), whose sum is σ = 2414400. Its totient is φ = 1591920.

The previous prime is 2000941. The next prime is 2000953. The reversal of 2000945 is 5490002.

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

It is not a de Polignac number, because 2000945 - 2² = 2000941 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2000941) 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, 11 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (301800).

2^2000945 is an apocalyptic number.

It is an amenable number.

2000945 is a deficient number, since it is larger than the sum of its proper divisors (413455).

2000945 is a wasteful number, since it uses less digits than its factorization.

2000945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2000945 is about 1414.5476308700. The cubic root of 2000945 is about 126.0119456215.

Adding to 2000945 its reverse (5490002), we get a palindrome (7490947).

The spelling of 2000945 in words is "two million, nine hundred forty-five", and thus it is an aban number.