9898236 has 18 divisors (see below), whose sum is σ = 25020632. Its totient is φ = 3299400.

The previous prime is 9898223. The next prime is 9898237. The reversal of 9898236 is 6328989.

9898236 = T₃₇₃ + T₃₇₄ + ... + T₄₈₀.

9898236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 9898191 and 9898200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137440 + ... + 137511.

Almost surely, 2^9898236 is an apocalyptic number.

It is an amenable number.

9898236 is an abundant number, since it is smaller than the sum of its proper divisors (15122396).

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

9898236 is a wasteful number, since it uses less digits than its factorization.

9898236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274961 (or 274956 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 9898236 is about 3146.1462140212. The cubic root of 9898236 is about 214.7101629044.

The spelling of 9898236 in words is "nine million, eight hundred ninety-eight thousand, two hundred thirty-six".