9996005 has 8 divisors (see below), whose sum is σ = 12288024. Its totient is φ = 7801600.

The previous prime is 9996001. The next prime is 9996011. The reversal of 9996005 is 5006999.

It can be written as a sum of positive squares in 4 ways, for example, as 1151329 + 8844676 = 1073^2 + 2974^2 .

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

It is not a de Polignac number, because 9996005 - 2² = 9996001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9996005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996001) by changing a digit.

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, 24176 + ... + 24585.

It is an arithmetic number, because the mean of its divisors is an integer number (1536003).

Almost surely, 2^9996005 is an apocalyptic number.

It is an amenable number.

9996005 is a deficient number, since it is larger than the sum of its proper divisors (2292019).

9996005 is a wasteful number, since it uses less digits than its factorization.

9996005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48807.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 9996005 is about 3161.6459321056. The cubic root of 9996005 is about 215.4147752932.

It can be divided in two parts, 999 and 6005, that multiplied together give a palindrome (5998995).

The spelling of 9996005 in words is "nine million, nine hundred ninety-six thousand, five".