9898672 has 40 divisors (see below), whose sum is σ = 22633472. Its totient is φ = 4104000.

The previous prime is 9898667. The next prime is 9898673. The reversal of 9898672 is 2768989.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9898673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047 + ... + 4897.

Almost surely, 2^9898672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9898672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11316736).

9898672 is an abundant number, since it is smaller than the sum of its proper divisors (12734800).

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

9898672 is a wasteful number, since it uses less digits than its factorization.

9898672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897 (or 2891 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 9898672 is about 3146.2155043798. The cubic root of 9898672 is about 214.7133153940.

The spelling of 9898672 in words is "nine million, eight hundred ninety-eight thousand, six hundred seventy-two".