9894720 has 112 divisors (see below), whose sum is σ = 34308288. Its totient is φ = 2396160.

The previous prime is 9894701. The next prime is 9894721. The reversal of 9894720 is 274989.

9894720 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9894721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10092 + ... + 11028.

It is an arithmetic number, because the mean of its divisors is an integer number (306324).

Almost surely, 2^9894720 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 9894720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17154144).

9894720 is an abundant number, since it is smaller than the sum of its proper divisors (24413568).

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

9894720 is a wasteful number, since it uses less digits than its factorization.

9894720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 9894720 is about 3145.5873855291. The cubic root of 9894720 is about 214.6847371506.

The spelling of 9894720 in words is "nine million, eight hundred ninety-four thousand, seven hundred twenty".