9898788 has 12 divisors (see below), whose sum is σ = 23097200.
Its totient is φ = 3299592.
The previous prime is 9898783. The next prime is 9898793. The reversal of 9898788 is 8878989.
It is an interprime number because it is at equal distance from previous prime (9898783) and next prime (9898793).
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (9898783) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412438 + ... + 412461.
Almost surely, 29898788 is an apocalyptic number.
It is an amenable number.
9898788 is an abundant number, since it is smaller than the sum of its proper divisors (13198412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9898788 is a wasteful number, since it uses less digits than its factorization.
9898788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 824906 (or 824904 counting only the distinct ones).
The product of its digits is 2322432, while the sum is 57.
The square root of 9898788 is about 3146.2339391724.
The cubic root of 9898788 is about 214.7141541141.
The spelling of 9898788 in words is "nine million, eight hundred ninety-eight thousand, seven hundred eighty-eight".