2289863 has 2 divisors, whose sum is σ = 2289864. Its totient is φ = 2289862.

The previous prime is 2289841. The next prime is 2289871. The reversal of 2289863 is 3689822.

It is a happy number.

2289863 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 not a de Polignac number, because 2289863 - 2¹⁸ = 2027719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2289803) 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, 1144931 + 1144932.

It is an arithmetic number, because the mean of its divisors is an integer number (1144932).

2^2289863 is an apocalyptic number.

2289863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289863 is an equidigital number, since it uses as much as digits as its factorization.

2289863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 2289863 is about 1513.2293282910. The cubic root of 2289863 is about 131.8064004604.

The spelling of 2289863 in words is "two million, two hundred eighty-nine thousand, eight hundred sixty-three".