2184689952 has 72 divisors (see below), whose sum is σ = 6220694844. Its totient is φ = 727294464.

The previous prime is 2184689921. The next prime is 2184689953. The reversal of 2184689952 is 2599864812.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1726901136 + 457788816 = 41556^2 + 21396^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (2184689953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241218 + ... + 250110.

Almost surely, 2^2184689952 is an apocalyptic number.

It is an amenable number.

2184689952 is an abundant number, since it is smaller than the sum of its proper divisors (4036004892).

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

2184689952 is a wasteful number, since it uses less digits than its factorization.

2184689952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9762 (or 9751 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 2184689952 is about 46740.6670042266. The cubic root of 2184689952 is about 1297.5674336521.

The spelling of 2184689952 in words is "two billion, one hundred eighty-four million, six hundred eighty-nine thousand, nine hundred fifty-two".