2189548328 has 32 divisors (see below), whose sum is σ = 4483080000. Its totient is φ = 994258560.

The previous prime is 2189548327. The next prime is 2189548357. The reversal of 2189548328 is 8238459812.

It is not an unprimeable number, because it can be changed into a prime (2189548327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80453 + ... + 104171.

It is an arithmetic number, because the mean of its divisors is an integer number (140096250).

Almost surely, 2^2189548328 is an apocalyptic number.

It is an amenable number.

2189548328 is an abundant number, since it is smaller than the sum of its proper divisors (2293531672).

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

2189548328 is a wasteful number, since it uses less digits than its factorization.

2189548328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24785 (or 24781 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 2189548328 is about 46792.6097583796. The cubic root of 2189548328 is about 1298.5285773878.

The spelling of 2189548328 in words is "two billion, one hundred eighty-nine million, five hundred forty-eight thousand, three hundred twenty-eight".