988788 has 48 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 299520.

The previous prime is 988783. The next prime is 988789. The reversal of 988788 is 887889.

It is a happy number.

Its product of digits (258048) is a multiple of the sum of its prime factors (192).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988788.

It is not an unprimeable number, because it can be changed into a prime (988783) by changing a digit.

988788 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7483 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (52668).

2⁹⁸⁸⁷⁸⁸ 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 988788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264032).

988788 is an abundant number, since it is smaller than the sum of its proper divisors (1539276).

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

988788 is a wasteful number, since it uses less digits than its factorization.

988788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 190 counting only the distinct ones).

The product of its digits is 258048, while the sum is 48.

The square root of 988788 is about 994.3781976693. The cubic root of 988788 is about 99.6248611348.

The spelling of 988788 in words is "nine hundred eighty-eight thousand, seven hundred eighty-eight".