9399660 has 48 divisors (see below), whose sum is σ = 26968032. Its totient is φ = 2444800.

The previous prime is 9399653. The next prime is 9399743. The reversal of 9399660 is 669939.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (561834).

Almost surely, 2^9399660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9399660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13484016).

9399660 is an abundant number, since it is smaller than the sum of its proper divisors (17568372).

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

9399660 is a wasteful number, since it uses less digits than its factorization.

9399660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874 (or 3872 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 9399660 is about 3065.8864949636. The cubic root of 9399660 is about 211.0428848990.

The spelling of 9399660 in words is "nine million, three hundred ninety-nine thousand, six hundred sixty".