9915606 has 48 divisors (see below), whose sum is σ = 22963200. Its totient is φ = 3083184.

The previous prime is 9915589. The next prime is 9915617. The reversal of 9915606 is 6065199.

9915606 is a `hidden beast` number, since 9 + 91 + 560 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26835 + ... + 27201.

It is an arithmetic number, because the mean of its divisors is an integer number (478400).

Almost surely, 2^9915606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9915606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11481600).

9915606 is an abundant number, since it is smaller than the sum of its proper divisors (13047594).

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

9915606 is a wasteful number, since it uses less digits than its factorization.

9915606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 9915606 is about 3148.9055241464. The cubic root of 9915606 is about 214.8356848009.

The spelling of 9915606 in words is "nine million, nine hundred fifteen thousand, six hundred six".