9998236 has 12 divisors (see below), whose sum is σ = 17530240. Its totient is φ = 4989600.

The previous prime is 9998207. The next prime is 9998239. The reversal of 9998236 is 6328999.

It is a happy number.

9998236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9998236² = 199929446223392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998239) 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, 325 + ... + 4483.

Almost surely, 2^9998236 is an apocalyptic number.

It is an amenable number.

9998236 is a deficient number, since it is larger than the sum of its proper divisors (7532004).

9998236 is a wasteful number, since it uses less digits than its factorization.

9998236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764 (or 4762 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 9998236 is about 3161.9987349776. The cubic root of 9998236 is about 215.4308001823.

The spelling of 9998236 in words is "nine million, nine hundred ninety-eight thousand, two hundred thirty-six".