2286389 has 12 divisors (see below), whose sum is σ = 2753100. Its totient is φ = 1891008.

The previous prime is 2286379. The next prime is 2286437. The reversal of 2286389 is 9836822.

2286389 = 872² + 873² + 874².

It is a happy number.

2286389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1844164 + 442225 = 1358^2 + 665^2 .

It is not a de Polignac number, because 2286389 - 2⁴ = 2286373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286379) 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 in 11 ways as a sum of consecutive naturals, for example, 617 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (229425).

2^2286389 is an apocalyptic number.

2286389 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2286389 is a deficient number, since it is larger than the sum of its proper divisors (466711).

2286389 is a wasteful number, since it uses less digits than its factorization.

2286389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1645 counting only the distinct ones).

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

The square root of 2286389 is about 1512.0810163480. The cubic root of 2286389 is about 131.7397112900.

The spelling of 2286389 in words is "two million, two hundred eighty-six thousand, three hundred eighty-nine".