2839447228 has 24 divisors (see below), whose sum is σ = 5067120240. Its totient is φ = 1391744640.

The previous prime is 2839447223. The next prime is 2839447231. The reversal of 2839447228 is 8227449382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839447223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274983 + ... + 285121.

It is an arithmetic number, because the mean of its divisors is an integer number (211130010).

Almost surely, 2^2839447228 is an apocalyptic number.

It is an amenable number.

2839447228 is a deficient number, since it is larger than the sum of its proper divisors (2227673012).

2839447228 is a wasteful number, since it uses less digits than its factorization.

2839447228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11517 (or 11515 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 2839447228 is about 53286.4638346363. The cubic root of 2839447228 is about 1416.0478660392.

The spelling of 2839447228 in words is "two billion, eight hundred thirty-nine million, four hundred forty-seven thousand, two hundred twenty-eight".