9795840 has 72 divisors (see below), whose sum is σ = 31297728. Its totient is φ = 2611200.

The previous prime is 9795827. The next prime is 9795847. The reversal of 9795840 is 485979.

It is a junction number, because it is equal to n+sod(n) for n = 9795792 and 9795801.

It is not an unprimeable number, because it can be changed into a prime (9795847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565 + ... + 5115.

Almost surely, 2^9795840 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 9795840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15648864).

9795840 is an abundant number, since it is smaller than the sum of its proper divisors (21501888).

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

9795840 is a wasteful number, since it uses less digits than its factorization.

9795840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 9795840 is about 3129.8306663460. The cubic root of 9795840 is about 213.9672119097.

The spelling of 9795840 in words is "nine million, seven hundred ninety-five thousand, eight hundred forty".