9640296 has 128 divisors (see below), whose sum is σ = 29520000. Its totient is φ = 2939328.

The previous prime is 9640259. The next prime is 9640297. The reversal of 9640296 is 6920469.

9640296 is a `hidden beast` number, since 9 + 640 + 2 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 9640296.

It is not an unprimeable number, because it can be changed into a prime (9640297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332410 + ... + 332438.

It is an arithmetic number, because the mean of its divisors is an integer number (230625).

Almost surely, 2^9640296 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 9640296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14760000).

9640296 is an abundant number, since it is smaller than the sum of its proper divisors (19879704).

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

9640296 is a wasteful number, since it uses less digits than its factorization.

9640296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 9640296 is about 3104.8826064765. The cubic root of 9640296 is about 212.8286660273.

The spelling of 9640296 in words is "nine million, six hundred forty thousand, two hundred ninety-six".