98988988 has 12 divisors (see below), whose sum is σ = 197978032. Its totient is φ = 42423840.

The previous prime is 98988979. The next prime is 98988991. The reversal of 98988988 is 88988989.

It is a happy number.

98988988 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767633 + ... + 1767688.

Almost surely, 2^98988988 is an apocalyptic number.

It is an amenable number.

98988988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

98988988 is a wasteful number, since it uses less digits than its factorization.

98988988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535332 (or 3535330 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 67.

The square root of 98988988 is about 9949.3209818560. The cubic root of 98988988 is about 462.5893480170.

Subtracting from 98988988 its reverse (88988989), we obtain a palindrome (9999999).

The spelling of 98988988 in words is "ninety-eight million, nine hundred eighty-eight thousand, nine hundred eighty-eight".