988099320 has 128 divisors (see below), whose sum is σ = 3331238400. Its totient is φ = 232641024.

The previous prime is 988099267. The next prime is 988099337. The reversal of 988099320 is 23990889.

988099320 = 2081² + 2082² + ... + 2287².

It is a self number, because there is not a number n which added to its sum of digits gives 988099320.

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 31 ways as a sum of consecutive naturals, for example, 22111 + ... + 49649.

It is an arithmetic number, because the mean of its divisors is an integer number (26025300).

Almost surely, 2^988099320 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 988099320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665619200).

988099320 is an abundant number, since it is smaller than the sum of its proper divisors (2343139080).

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

988099320 is a wasteful number, since it uses less digits than its factorization.

988099320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27589 (or 27585 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 988099320 is about 31434.0471463666. The cubic root of 988099320 is about 996.0172655513.

The spelling of 988099320 in words is "nine hundred eighty-eight million, ninety-nine thousand, three hundred twenty".