988535800 has 144 divisors (see below), whose sum is σ = 2814831000. Its totient is φ = 321027840.

The previous prime is 988535797. The next prime is 988535813. The reversal of 988535800 is 8535889.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 183546 + ... + 188854.

Almost surely, 2^988535800 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 988535800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407415500).

988535800 is an abundant number, since it is smaller than the sum of its proper divisors (1826295200).

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

988535800 is a wasteful number, since it uses less digits than its factorization.

988535800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358 (or 5342 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 988535800 is about 31440.9891701899. The cubic root of 988535800 is about 996.1639031780.

It can be divided in two parts, 98853 and 5800, that added together give a triangular number (104653 = T₄₅₇).

The spelling of 988535800 in words is "nine hundred eighty-eight million, five hundred thirty-five thousand, eight hundred".