2184040 has 16 divisors (see below), whose sum is σ = 4914180. Its totient is φ = 873600.

The previous prime is 2184001. The next prime is 2184047. The reversal of 2184040 is 404812.

2184040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1898884 + 285156 = 1378^2 + 534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2183999 and 2184017.

It is not an unprimeable number, because it can be changed into a prime (2184047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27261 + ... + 27340.

2^2184040 is an apocalyptic number.

2184040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2184040 is an abundant number, since it is smaller than the sum of its proper divisors (2730140).

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

2184040 is a wasteful number, since it uses less digits than its factorization.

2184040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54612 (or 54608 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2184040 is about 1477.8497893900. The cubic root of 2184040 is about 129.7438744118.

Adding to 2184040 its reverse (404812), we get a palindrome (2588852).

The spelling of 2184040 in words is "two million, one hundred eighty-four thousand, forty".