9820340 has 48 divisors (see below), whose sum is σ = 22249920. Its totient is φ = 3628800.

The previous prime is 9820337. The next prime is 9820351. The reversal of 9820340 is 430289.

9820340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16040 + ... + 16640.

It is an arithmetic number, because the mean of its divisors is an integer number (463540).

Almost surely, 2^9820340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9820340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11124960).

9820340 is an abundant number, since it is smaller than the sum of its proper divisors (12429580).

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

9820340 is a wasteful number, since it uses less digits than its factorization.

9820340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 9820340 is about 3133.7421719089. The cubic root of 9820340 is about 214.1454451326.

The spelling of 9820340 in words is "nine million, eight hundred twenty thousand, three hundred forty".