1984521088 has 64 divisors (see below), whose sum is σ = 4339912320. Its totient is φ = 896417280.

The previous prime is 1984521059. The next prime is 1984521089. The reversal of 1984521088 is 8801254891.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984521089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225181 + ... + 233827.

It is an arithmetic number, because the mean of its divisors is an integer number (67811130).

Almost surely, 2^1984521088 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 1984521088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2169956160).

1984521088 is an abundant number, since it is smaller than the sum of its proper divisors (2355391232).

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

1984521088 is a wasteful number, since it uses less digits than its factorization.

1984521088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8835 (or 8823 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 46.

The square root of 1984521088 is about 44547.9639040888. The cubic root of 1984521088 is about 1256.6622604506.

The spelling of 1984521088 in words is "one billion, nine hundred eighty-four million, five hundred twenty-one thousand, eighty-eight".