987888 has 40 divisors (see below), whose sum is σ = 2785536. Its totient is φ = 299200.

The previous prime is 987869. The next prime is 987911. The reversal of 987888 is 888789.

It is a happy number.

987888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 987888.

It is an unprimeable number.

987888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408 + ... + 1463.

2⁹⁸⁷⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

987888 is an abundant number, since it is smaller than the sum of its proper divisors (1797648).

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

987888 is a wasteful number, since it uses less digits than its factorization.

987888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1887 counting only the distinct ones).

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

The square root of 987888 is about 993.9255505318. The cubic root of 987888 is about 99.5946256031.

Subtracting from 987888 its reverse (888789), we obtain a palindrome (99099).

The spelling of 987888 in words is "nine hundred eighty-seven thousand, eight hundred eighty-eight".