9801834 has 64 divisors (see below), whose sum is σ = 24053760. Its totient is φ = 2600640.

The previous prime is 9801817. The next prime is 9801839. The reversal of 9801834 is 4381089.

It is a junction number, because it is equal to n+sod(n) for n = 9801795 and 9801804.

It is not an unprimeable number, because it can be changed into a prime (9801839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56572 + ... + 56744.

It is an arithmetic number, because the mean of its divisors is an integer number (375840).

Almost surely, 2^9801834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9801834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12026880).

9801834 is an abundant number, since it is smaller than the sum of its proper divisors (14251926).

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

9801834 is a wasteful number, since it uses less digits than its factorization.

9801834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

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

The square root of 9801834 is about 3130.7880797013. The cubic root of 9801834 is about 214.0108446480.

The spelling of 9801834 in words is "nine million, eight hundred one thousand, eight hundred thirty-four".