9906006 has 16 divisors (see below), whose sum is σ = 21613248. Its totient is φ = 3001800.

The previous prime is 9905993. The next prime is 9906007. The reversal of 9906006 is 6006099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9906007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 74980 + ... + 75111.

It is an arithmetic number, because the mean of its divisors is an integer number (1350828).

Almost surely, 2^9906006 is an apocalyptic number.

9906006 is an abundant number, since it is smaller than the sum of its proper divisors (11707242).

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

9906006 is a wasteful number, since it uses less digits than its factorization.

9906006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150107.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 9906006 is about 3147.3808158531. The cubic root of 9906006 is about 214.7663298694.

It can be divided in two parts, 990 and 6006, that added together give a palindrome (6996).

The spelling of 9906006 in words is "nine million, nine hundred six thousand, six".