2889823 has 2 divisors, whose sum is σ = 2889824. Its totient is φ = 2889822.

The previous prime is 2889797. The next prime is 2889829. The reversal of 2889823 is 3289882.

2889823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2889823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2889829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444911 + 1444912.

It is an arithmetic number, because the mean of its divisors is an integer number (1444912).

2^2889823 is an apocalyptic number.

2889823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2889823 is an equidigital number, since it uses as much as digits as its factorization.

2889823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 2889823 is about 1699.9479403794. The cubic root of 2889823 is about 142.4373049330.

The spelling of 2889823 in words is "two million, eight hundred eighty-nine thousand, eight hundred twenty-three".