9945006 has 16 divisors (see below), whose sum is σ = 19961424. Its totient is φ = 3303104.

The previous prime is 9944953. The next prime is 9945043. The reversal of 9945006 is 6005499.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071 + ... + 4586.

It is an arithmetic number, because the mean of its divisors is an integer number (1247589).

Almost surely, 2^9945006 is an apocalyptic number.

9945006 is an abundant number, since it is smaller than the sum of its proper divisors (10016418).

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

9945006 is a wasteful number, since it uses less digits than its factorization.

9945006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 9945006 is about 3153.5703575471. The cubic root of 9945006 is about 215.0478062072.

The spelling of 9945006 in words is "nine million, nine hundred forty-five thousand, six".