9830238 has 32 divisors (see below), whose sum is σ = 21911040. Its totient is φ = 2914560.

The previous prime is 9830237. The next prime is 9830243. The reversal of 9830238 is 8320389.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9830199 and 9830208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9830231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (684720).

Almost surely, 2^9830238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9830238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10955520).

9830238 is an abundant number, since it is smaller than the sum of its proper divisors (12080802).

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

9830238 is a wasteful number, since it uses less digits than its factorization.

9830238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 9830238 is about 3135.3210361939. The cubic root of 9830238 is about 214.2173672822.

The spelling of 9830238 in words is "nine million, eight hundred thirty thousand, two hundred thirty-eight".