9728306 has 8 divisors (see below), whose sum is σ = 16677120. Its totient is φ = 4169268.

The previous prime is 9728291. The next prime is 9728317. The reversal of 9728306 is 6038279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347426 + ... + 347453.

It is an arithmetic number, because the mean of its divisors is an integer number (2084640).

Almost surely, 2^9728306 is an apocalyptic number.

9728306 is a deficient number, since it is larger than the sum of its proper divisors (6948814).

9728306 is a wasteful number, since it uses less digits than its factorization.

9728306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694888.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 9728306 is about 3119.0232445431. The cubic root of 9728306 is about 213.4743701717.

The spelling of 9728306 in words is "nine million, seven hundred twenty-eight thousand, three hundred six".