9898147 has 12 divisors (see below), whose sum is σ = 11664480. Its totient is φ = 8373456.

The previous prime is 9898139. The next prime is 9898151. The reversal of 9898147 is 7418989.

It is a happy number.

9898147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9898147 - 2³ = 9898139 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9898097 and 9898106.

It is not an unprimeable number, because it can be changed into a prime (9898117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2593 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (972040).

Almost surely, 2^9898147 is an apocalyptic number.

9898147 is a deficient number, since it is larger than the sum of its proper divisors (1766333).

9898147 is a wasteful number, since it uses less digits than its factorization.

9898147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650 (or 2643 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 9898147 is about 3146.1320697008. The cubic root of 9898147 is about 214.7095193803.

The spelling of 9898147 in words is "nine million, eight hundred ninety-eight thousand, one hundred forty-seven".