988888 has 16 divisors (see below), whose sum is σ = 1881360. Its totient is φ = 487200.

The previous prime is 988877. The next prime is 988901. The reversal of 988888 is 888889.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 303 + ... + 1438.

It is an arithmetic number, because the mean of its divisors is an integer number (117585).

2⁹⁸⁸⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

988888 is a deficient number, since it is larger than the sum of its proper divisors (892472).

988888 is a wasteful number, since it uses less digits than its factorization.

988888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818 (or 1814 counting only the distinct ones).

The product of its digits is 294912, while the sum is 49.

The square root of 988888 is about 994.4284790773. The cubic root of 988888 is about 99.6282195056.

Subtracting from 988888 its reverse (888889), we obtain a palindrome (99999).

The spelling of 988888 in words is "nine hundred eighty-eight thousand, eight hundred eighty-eight".