9939005 has 8 divisors (see below), whose sum is σ = 11999232. Its totient is φ = 7902928.

The previous prime is 9938993. The next prime is 9939011. The reversal of 9939005 is 5009399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9939005 - 2⁴ = 9938989 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 5117 + ... + 6786.

It is an arithmetic number, because the mean of its divisors is an integer number (1499904).

Almost surely, 2^9939005 is an apocalyptic number.

It is an amenable number.

9939005 is a deficient number, since it is larger than the sum of its proper divisors (2060227).

9939005 is a wasteful number, since it uses less digits than its factorization.

9939005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 9939005 is about 3152.6187527197. The cubic root of 9939005 is about 215.0045429002.

The spelling of 9939005 in words is "nine million, nine hundred thirty-nine thousand, five".