1983140184 has 64 divisors (see below), whose sum is σ = 5226762240. Its totient is φ = 626100480.

The previous prime is 1983140183. The next prime is 1983140249. The reversal of 1983140184 is 4810413891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983140183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6612 + ... + 63324.

It is an arithmetic number, because the mean of its divisors is an integer number (81668160).

Almost surely, 2^1983140184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1983140184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613381120).

1983140184 is an abundant number, since it is smaller than the sum of its proper divisors (3243622056).

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

1983140184 is a wasteful number, since it uses less digits than its factorization.

1983140184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56800 (or 56796 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1983140184 is about 44532.4621371871. The cubic root of 1983140184 is about 1256.3707152829.

The spelling of 1983140184 in words is "one billion, nine hundred eighty-three million, one hundred forty thousand, one hundred eighty-four".