2789000 has 32 divisors (see below), whose sum is σ = 6528600. Its totient is φ = 1115200.

The previous prime is 2788997. The next prime is 2789011. The reversal of 2789000 is 9872.

It can be written as a sum of positive squares in 4 ways, for example, as 988036 + 1800964 = 994^2 + 1342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 2394.

2^2789000 is an apocalyptic number.

2789000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2789000 is an abundant number, since it is smaller than the sum of its proper divisors (3739600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2789000 is a wasteful number, since it uses less digits than its factorization.

2789000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 2796 counting only the distinct ones).

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

The square root of 2789000 is about 1670.0299398514. The cubic root of 2789000 is about 140.7611603012.

The spelling of 2789000 in words is "two million, seven hundred eighty-nine thousand".