9717628 has 12 divisors (see below), whose sum is σ = 17245872. Its totient is φ = 4790240.

The previous prime is 9717623. The next prime is 9717641. The reversal of 9717628 is 8267179.

9717628 is digitally balanced in base 2, because in such base 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 (9717623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16825 + ... + 17392.

It is an arithmetic number, because the mean of its divisors is an integer number (1437156).

Almost surely, 2^9717628 is an apocalyptic number.

It is an amenable number.

9717628 is a deficient number, since it is larger than the sum of its proper divisors (7528244).

9717628 is a wasteful number, since it uses less digits than its factorization.

9717628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34292 (or 34290 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 9717628 is about 3117.3110207357. The cubic root of 9717628 is about 213.3962368758.

The spelling of 9717628 in words is "nine million, seven hundred seventeen thousand, six hundred twenty-eight".