9809472 has 56 divisors (see below), whose sum is σ = 27330400. Its totient is φ = 3096576.

The previous prime is 9809447. The next prime is 9809479. The reversal of 9809472 is 2749089.

It is a self number, because there is not a number n which added to its sum of digits gives 9809472.

It is not an unprimeable number, because it can be changed into a prime (9809479) 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, 2304 + ... + 4992.

Almost surely, 2^9809472 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 9809472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13665200).

9809472 is an abundant number, since it is smaller than the sum of its proper divisors (17520928).

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

9809472 is a wasteful number, since it uses less digits than its factorization.

9809472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723 (or 2713 counting only the distinct ones).

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

The square root of 9809472 is about 3132.0076628259. The cubic root of 9809472 is about 214.0664189561.

The spelling of 9809472 in words is "nine million, eight hundred nine thousand, four hundred seventy-two".