1984773882 has 64 divisors (see below), whose sum is σ = 4892799744. Its totient is φ = 522685440.

The previous prime is 1984773881. The next prime is 1984773883. The reversal of 1984773882 is 2883774891.

It is an interprime number because it is at equal distance from previous prime (1984773881) and next prime (1984773883).

It is not an unprimeable number, because it can be changed into a prime (1984773881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432882 + ... + 437442.

It is an arithmetic number, because the mean of its divisors is an integer number (76449996).

Almost surely, 2^1984773882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1984773882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2446399872).

1984773882 is an abundant number, since it is smaller than the sum of its proper divisors (2908025862).

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

1984773882 is a wasteful number, since it uses less digits than its factorization.

1984773882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383.

The product of its digits is 5419008, while the sum is 57.

The square root of 1984773882 is about 44550.8011375778. The cubic root of 1984773882 is about 1256.7156172686.

The spelling of 1984773882 in words is "one billion, nine hundred eighty-four million, seven hundred seventy-three thousand, eight hundred eighty-two".