2184545 has 8 divisors (see below), whose sum is σ = 2859840. Its totient is φ = 1588720.

The previous prime is 2184509. The next prime is 2184547. The reversal of 2184545 is 5454812.

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

It is not a de Polignac number, because 2184545 - 2¹⁰ = 2183521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2184547) 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, 19805 + ... + 19914.

It is an arithmetic number, because the mean of its divisors is an integer number (357480).

2^2184545 is an apocalyptic number.

It is an amenable number.

2184545 is a deficient number, since it is larger than the sum of its proper divisors (675295).

2184545 is a wasteful number, since it uses less digits than its factorization.

2184545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39735.

The product of its digits is 6400, while the sum is 29.

The square root of 2184545 is about 1478.0206358505. The cubic root of 2184545 is about 129.7538735582.

The spelling of 2184545 in words is "two million, one hundred eighty-four thousand, five hundred forty-five".