9984820984 has 32 divisors (see below), whose sum is σ = 18966744720. Its totient is φ = 4927147776.

The previous prime is 9984820957. The next prime is 9984821009. The reversal of 9984820984 is 4890284899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678634 + ... + 693190.

Almost surely, 2^9984820984 is an apocalyptic number.

It is an amenable number.

9984820984 is a deficient number, since it is larger than the sum of its proper divisors (8981923736).

9984820984 is a wasteful number, since it uses less digits than its factorization.

9984820984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679 (or 15675 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 61.

The square root of 9984820984 is about 99924.0760978054. The cubic root of 9984820984 is about 2153.3440647373.

The spelling of 9984820984 in words is "nine billion, nine hundred eighty-four million, eight hundred twenty thousand, nine hundred eighty-four".