2184480 has 144 divisors (see below), whose sum is σ = 7842744. Its totient is φ = 552960.

The previous prime is 2184473. The next prime is 2184491. The reversal of 2184480 is 844812.

2184480 is a `hidden beast` number, since 2 + 184 + 480 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1648656 + 535824 = 1284^2 + 732^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53260 + ... + 53300.

2^2184480 is an apocalyptic number.

2184480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2184480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3921372).

2184480 is an abundant number, since it is smaller than the sum of its proper divisors (5658264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2184480 is a wasteful number, since it uses less digits than its factorization.

2184480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 2184480 is about 1477.9986468194. The cubic root of 2184480 is about 129.7525866258.

The spelling of 2184480 in words is "two million, one hundred eighty-four thousand, four hundred eighty".