2000789 has 4 divisors (see below), whose sum is σ = 2286624. Its totient is φ = 1714956.

The previous prime is 2000767. The next prime is 2000807. The reversal of 2000789 is 9870002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2000789 - 2¹⁶ = 1935253 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 (2000389) 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, 142907 + ... + 142920.

It is an arithmetic number, because the mean of its divisors is an integer number (571656).

2^2000789 is an apocalyptic number.

It is an amenable number.

2000789 is a deficient number, since it is larger than the sum of its proper divisors (285835).

2000789 is an equidigital number, since it uses as much as digits as its factorization.

2000789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285834.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2000789 is about 1414.4924884919. The cubic root of 2000789 is about 126.0086707731.

The spelling of 2000789 in words is "two million, seven hundred eighty-nine", and thus it is an aban number.