2800089 has 28 divisors (see below), whose sum is σ = 4406976. Its totient is φ = 1774872.

The previous prime is 2800079. The next prime is 2800103. The reversal of 2800089 is 9800082.

It is not a de Polignac number, because 2800089 - 2⁴ = 2800073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 16684 + ... + 16850.

It is an arithmetic number, because the mean of its divisors is an integer number (157392).

2^2800089 is an apocalyptic number.

It is an amenable number.

2800089 is a deficient number, since it is larger than the sum of its proper divisors (1606887).

2800089 is an equidigital number, since it uses as much as digits as its factorization.

2800089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 2800089 is about 1673.3466466934. The cubic root of 2800089 is about 140.9474679816.

The spelling of 2800089 in words is "two million, eight hundred thousand, eighty-nine".