1984994088 has 128 divisors (see below), whose sum is σ = 6400512000. Its totient is φ = 497790720.

The previous prime is 1984994083. The next prime is 1984994101. The reversal of 1984994088 is 8804994891.

It is not an unprimeable number, because it can be changed into a prime (1984994083) 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, 35073 + ... + 72111.

It is an arithmetic number, because the mean of its divisors is an integer number (50004000).

Almost surely, 2^1984994088 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 1984994088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200256000).

1984994088 is an abundant number, since it is smaller than the sum of its proper divisors (4415517912).

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

1984994088 is a wasteful number, since it uses less digits than its factorization.

1984994088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37095 (or 37091 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 60.

The square root of 1984994088 is about 44553.2724724009. The cubic root of 1984994088 is about 1256.7620920985.

The spelling of 1984994088 in words is "one billion, nine hundred eighty-four million, nine hundred ninety-four thousand, eighty-eight".