2289836980 has 24 divisors (see below), whose sum is σ = 4816527912. Its totient is φ = 914435712.

The previous prime is 2289836959. The next prime is 2289837007. The reversal of 2289836980 is 896389822.

It can be written as a sum of positive squares in 4 ways, for example, as 364733604 + 1925103376 = 19098^2 + 43876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81127 + ... + 105646.

It is an arithmetic number, because the mean of its divisors is an integer number (200688663).

Almost surely, 2^2289836980 is an apocalyptic number.

2289836980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2289836980 is an abundant number, since it is smaller than the sum of its proper divisors (2526690932).

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

2289836980 is a wasteful number, since it uses less digits than its factorization.

2289836980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187395 (or 187393 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 2289836980 is about 47852.2411178411. The cubic root of 2289836980 is about 1318.0590121431.

The spelling of 2289836980 in words is "two billion, two hundred eighty-nine million, eight hundred thirty-six thousand, nine hundred eighty".