2183983820 has 12 divisors (see below), whose sum is σ = 4586366064. Its totient is φ = 873593520.

The previous prime is 2183983811. The next prime is 2183983849. The reversal of 2183983820 is 283893812.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54599576 + ... + 54599615.

It is an arithmetic number, because the mean of its divisors is an integer number (382197172).

Almost surely, 2^2183983820 is an apocalyptic number.

2183983820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2183983820 is an abundant number, since it is smaller than the sum of its proper divisors (2402382244).

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

2183983820 is a wasteful number, since it uses less digits than its factorization.

2183983820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109199200 (or 109199198 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 2183983820 is about 46733.1126718519. The cubic root of 2183983820 is about 1297.4276193624.

The spelling of 2183983820 in words is "two billion, one hundred eighty-three million, nine hundred eighty-three thousand, eight hundred twenty".