2184689 has 8 divisors (see below), whose sum is σ = 2369472. Its totient is φ = 2002320.

The previous prime is 2184673. The next prime is 2184697. The reversal of 2184689 is 9864812.

2184689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2184689 - 2⁴ = 2184673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2184649) 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 7 ways as a sum of consecutive naturals, for example, 1604 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (296184).

2^2184689 is an apocalyptic number.

It is an amenable number.

2184689 is a deficient number, since it is larger than the sum of its proper divisors (184783).

2184689 is a wasteful number, since it uses less digits than its factorization.

2184689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207.

The product of its digits is 27648, while the sum is 38.

The square root of 2184689 is about 1478.0693488467. The cubic root of 2184689 is about 129.7567245176.

The spelling of 2184689 in words is "two million, one hundred eighty-four thousand, six hundred eighty-nine".