9898712 has 32 divisors (see below), whose sum is σ = 19262880. Its totient is φ = 4765440.

The previous prime is 9898711. The next prime is 9898723. The reversal of 9898712 is 2178989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898711) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33638 + ... + 33930.

It is an arithmetic number, because the mean of its divisors is an integer number (601965).

Almost surely, 2^9898712 is an apocalyptic number.

It is an amenable number.

9898712 is a deficient number, since it is larger than the sum of its proper divisors (9364168).

9898712 is a wasteful number, since it uses less digits than its factorization.

9898712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 439 counting only the distinct ones).

The product of its digits is 72576, while the sum is 44.

The square root of 9898712 is about 3146.2218612170. The cubic root of 9898712 is about 214.7136046086.

It can be divided in two parts, 989 and 8712, that multiplied together give a palindrome (8616168).

The spelling of 9898712 in words is "nine million, eight hundred ninety-eight thousand, seven hundred twelve".