9933906 has 16 divisors (see below), whose sum is σ = 19936224. Its totient is φ = 3299904.

The previous prime is 9933887. The next prime is 9933923. The reversal of 9933906 is 6093399.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855 + ... + 4538.

It is an arithmetic number, because the mean of its divisors is an integer number (1246014).

Almost surely, 2^9933906 is an apocalyptic number.

9933906 is an abundant number, since it is smaller than the sum of its proper divisors (10002318).

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

9933906 is a wasteful number, since it uses less digits than its factorization.

9933906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 9933906 is about 3151.8099561998. The cubic root of 9933906 is about 214.9677687397.

The spelling of 9933906 in words is "nine million, nine hundred thirty-three thousand, nine hundred six".