98788 has 6 divisors (see below), whose sum is σ = 172886. Its totient is φ = 49392.

The previous prime is 98779. The next prime is 98801. The reversal of 98788 is 88789.

It can be written as a sum of positive squares in only one way, i.e., 97344 + 1444 = 312^2 + 38^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 98788.

It is an unprimeable number.

98788 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12345 + ... + 12352.

2⁹⁸⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

98788 is a deficient number, since it is larger than the sum of its proper divisors (74098).

98788 is a wasteful number, since it uses less digits than its factorization.

98788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24701 (or 24699 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 98788 is about 314.3055837875. The cubic root of 98788 is about 46.2276054231.

Adding to 98788 its product of digits (32256), we get a square (131044 = 362²).

Subtracting from 98788 its reverse (88789), we obtain a palindrome (9999).

The spelling of 98788 in words is "ninety-eight thousand, seven hundred eighty-eight".