2802889 has 4 divisors (see below), whose sum is σ = 2848900. Its totient is φ = 2756880.

The previous prime is 2802881. The next prime is 2802893. The reversal of 2802889 is 9882082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1092025 + 1710864 = 1045^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 2802889 - 2³ = 2802881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2802881) 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, 22914 + ... + 23035.

It is an arithmetic number, because the mean of its divisors is an integer number (712225).

2^2802889 is an apocalyptic number.

It is an amenable number.

2802889 is a deficient number, since it is larger than the sum of its proper divisors (46011).

2802889 is an equidigital number, since it uses as much as digits as its factorization.

2802889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46010.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2802889 is about 1674.1830843728. The cubic root of 2802889 is about 140.9944333265.

The spelling of 2802889 in words is "two million, eight hundred two thousand, eight hundred eighty-nine".