2184985 has 8 divisors (see below), whose sum is σ = 2860416. Its totient is φ = 1589040.

The previous prime is 2184979. The next prime is 2184989. The reversal of 2184985 is 5894812.

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

It is not a de Polignac number, because 2184985 - 2⁹ = 2184473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2184989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19809 + ... + 19918.

It is an arithmetic number, because the mean of its divisors is an integer number (357552).

2^2184985 is an apocalyptic number.

It is an amenable number.

2184985 is a deficient number, since it is larger than the sum of its proper divisors (675431).

2184985 is a wasteful number, since it uses less digits than its factorization.

2184985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39743.

The product of its digits is 23040, while the sum is 37.

The square root of 2184985 is about 1478.1694760751. The cubic root of 2184985 is about 129.7625844296.

The spelling of 2184985 in words is "two million, one hundred eighty-four thousand, nine hundred eighty-five".