2189343 has 16 divisors (see below), whose sum is σ = 3190880. Its totient is φ = 1327104.

The previous prime is 2189339. The next prime is 2189357. The reversal of 2189343 is 3439812.

It is not a de Polignac number, because 2189343 - 2² = 2189339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2463 + ... + 3231.

It is an arithmetic number, because the mean of its divisors is an integer number (199430).

2^2189343 is an apocalyptic number.

2189343 is a deficient number, since it is larger than the sum of its proper divisors (1001537).

2189343 is a wasteful number, since it uses less digits than its factorization.

2189343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its digits is 5184, while the sum is 30.

The square root of 2189343 is about 1479.6428623151. The cubic root of 2189343 is about 129.8487985666.

The spelling of 2189343 in words is "two million, one hundred eighty-nine thousand, three hundred forty-three".