9812238 has 8 divisors (see below), whose sum is σ = 19624488. Its totient is φ = 3270744.

The previous prime is 9812233. The next prime is 9812249. The reversal of 9812238 is 8322189.

9812238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

9812238 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9812199 and 9812208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9812233) 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, 817681 + ... + 817692.

It is an arithmetic number, because the mean of its divisors is an integer number (2453061).

Almost surely, 2^9812238 is an apocalyptic number.

9812238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9812238 is a wasteful number, since it uses less digits than its factorization.

9812238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635378.

The product of its digits is 6912, while the sum is 33.

The square root of 9812238 is about 3132.4492015035. The cubic root of 9812238 is about 214.0865373366.

The spelling of 9812238 in words is "nine million, eight hundred twelve thousand, two hundred thirty-eight".