9904660 has 24 divisors (see below), whose sum is σ = 21518280. Its totient is φ = 3825024.

The previous prime is 9904649. The next prime is 9904667. The reversal of 9904660 is 664099.

It can be written as a sum of positive squares in 4 ways, for example, as 868624 + 9036036 = 932^2 + 3006^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9904667) 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, 7959 + ... + 9118.

It is an arithmetic number, because the mean of its divisors is an integer number (896595).

Almost surely, 2^9904660 is an apocalyptic number.

It is an amenable number.

9904660 is an abundant number, since it is smaller than the sum of its proper divisors (11613620).

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

9904660 is a wasteful number, since it uses less digits than its factorization.

9904660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17115 (or 17113 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 9904660 is about 3147.1669799996. The cubic root of 9904660 is about 214.7566021489.

The spelling of 9904660 in words is "nine million, nine hundred four thousand, six hundred sixty".