9928163 has 8 divisors (see below), whose sum is σ = 11365728. Its totient is φ = 8495424.

The previous prime is 9928159. The next prime is 9928169. The reversal of 9928163 is 3618299.

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

It is not a de Polignac number, because 9928163 - 2² = 9928159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9928169) 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, 6545 + ... + 7917.

It is an arithmetic number, because the mean of its divisors is an integer number (1420716).

Almost surely, 2^9928163 is an apocalyptic number.

9928163 is a deficient number, since it is larger than the sum of its proper divisors (1437565).

9928163 is a wasteful number, since it uses less digits than its factorization.

9928163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413.

The product of its digits is 23328, while the sum is 38.

The square root of 9928163 is about 3150.8987606713. The cubic root of 9928163 is about 214.9263349579.

The spelling of 9928163 in words is "nine million, nine hundred twenty-eight thousand, one hundred sixty-three".