2184530 has 8 divisors (see below), whose sum is σ = 3932172. Its totient is φ = 873808.

The previous prime is 2184509. The next prime is 2184547. The reversal of 2184530 is 354812.

2184530 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 2 ways, for example, as 2157961 + 26569 = 1469^2 + 163^2 .

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

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2184496 and 2184505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109217 + ... + 109236.

2^2184530 is an apocalyptic number.

2184530 is a deficient number, since it is larger than the sum of its proper divisors (1747642).

2184530 is a wasteful number, since it uses less digits than its factorization.

2184530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218460.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2184530 is about 1478.0155614878. The cubic root of 2184530 is about 129.7535765761.

The spelling of 2184530 in words is "two million, one hundred eighty-four thousand, five hundred thirty".