9906320 has 20 divisors (see below), whose sum is σ = 23032380. Its totient is φ = 3962496.

The previous prime is 9906293. The next prime is 9906349. The reversal of 9906320 is 236099.

It can be written as a sum of positive squares in 2 ways, for example, as 4393216 + 5513104 = 2096^2 + 2348^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 61835 + ... + 61994.

It is an arithmetic number, because the mean of its divisors is an integer number (1151619).

Almost surely, 2^9906320 is an apocalyptic number.

It is an amenable number.

9906320 is an abundant number, since it is smaller than the sum of its proper divisors (13126060).

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

9906320 is a wasteful number, since it uses less digits than its factorization.

9906320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123842 (or 123836 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 9906320 is about 3147.4306982045. The cubic root of 9906320 is about 214.7685990623.

The spelling of 9906320 in words is "nine million, nine hundred six thousand, three hundred twenty".