9909006 has 32 divisors (see below), whose sum is σ = 20486400. Its totient is φ = 3193344.

The previous prime is 9909001. The next prime is 9909017. The reversal of 9909006 is 6009099.

9909006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9909001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49695 + ... + 49893.

It is an arithmetic number, because the mean of its divisors is an integer number (640200).

Almost surely, 2^9909006 is an apocalyptic number.

9909006 is an abundant number, since it is smaller than the sum of its proper divisors (10577394).

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

9909006 is a wasteful number, since it uses less digits than its factorization.

9909006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 9909006 is about 3147.8573665273. The cubic root of 9909006 is about 214.7880080971.

The spelling of 9909006 in words is "nine million, nine hundred nine thousand, six".