2184605990 has 16 divisors (see below), whose sum is σ = 4494046752. Its totient is φ = 749007744.

The previous prime is 2184605971. The next prime is 2184606007. The reversal of 2184605990 is 995064812.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15604259 + ... + 15604398.

It is an arithmetic number, because the mean of its divisors is an integer number (280877922).

Almost surely, 2^2184605990 is an apocalyptic number.

2184605990 is an abundant number, since it is smaller than the sum of its proper divisors (2309440762).

2184605990 is a wasteful number, since it uses less digits than its factorization.

2184605990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31208671.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 2184605990 is about 46739.7688269850. The cubic root of 2184605990 is about 1297.5508107361.

The spelling of 2184605990 in words is "two billion, one hundred eighty-four million, six hundred five thousand, nine hundred ninety".