989796688 has 40 divisors (see below), whose sum is σ = 1983444480. Its totient is φ = 478208640.

The previous prime is 989796673. The next prime is 989796701. The reversal of 989796688 is 886697989.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51078 + ... + 67738.

It is an arithmetic number, because the mean of its divisors is an integer number (49586112).

Almost surely, 2^989796688 is an apocalyptic number.

It is an amenable number.

989796688 is an abundant number, since it is smaller than the sum of its proper divisors (993647792).

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

989796688 is a wasteful number, since it uses less digits than its factorization.

989796688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16795 (or 16789 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 70.

The square root of 989796688 is about 31461.0344394459. The cubic root of 989796688 is about 996.5872624717.

The spelling of 989796688 in words is "nine hundred eighty-nine million, seven hundred ninety-six thousand, six hundred eighty-eight".