9804726 has 40 divisors (see below), whose sum is σ = 22738320. Its totient is φ = 3154032.

The previous prime is 9804721. The next prime is 9804727. The reversal of 9804726 is 6274089.

It is a super-2 number, since 2×9804726² = 192265303870152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9804721) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3655 + ... + 5741.

It is an arithmetic number, because the mean of its divisors is an integer number (568458).

Almost surely, 2^9804726 is an apocalyptic number.

9804726 is the 1566-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9804726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11369160).

9804726 is an abundant number, since it is smaller than the sum of its proper divisors (12933594).

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

9804726 is a wasteful number, since it uses less digits than its factorization.

9804726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2121 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9804726 is about 3131.2499101796. The cubic root of 9804726 is about 214.0318903184.

The spelling of 9804726 in words is "nine million, eight hundred four thousand, seven hundred twenty-six".