2184366990 has 64 divisors (see below), whose sum is σ = 5652763200. Its totient is φ = 537022464.

The previous prime is 2184366983. The next prime is 2184366997. The reversal of 2184366990 is 996634812.

It is an interprime number because it is at equal distance from previous prime (2184366983) and next prime (2184366997).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184366997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359296 + ... + 365324.

It is an arithmetic number, because the mean of its divisors is an integer number (88324425).

Almost surely, 2^2184366990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2184366990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2826381600).

2184366990 is an abundant number, since it is smaller than the sum of its proper divisors (3468396210).

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

2184366990 is a wasteful number, since it uses less digits than its factorization.

2184366990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 2184366990 is about 46737.2120477891. The cubic root of 2184366990 is about 1297.5034908449.

The spelling of 2184366990 in words is "two billion, one hundred eighty-four million, three hundred sixty-six thousand, nine hundred ninety".