9996879 has 8 divisors (see below), whose sum is σ = 13461552. Its totient is φ = 6598400.

The previous prime is 9996859. The next prime is 9996887. The reversal of 9996879 is 9786999.

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 9996879 - 2⁷ = 9996751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996809) 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, 16194 + ... + 16799.

It is an arithmetic number, because the mean of its divisors is an integer number (1682694).

Almost surely, 2^9996879 is an apocalyptic number.

9996879 is a deficient number, since it is larger than the sum of its proper divisors (3464673).

9996879 is a wasteful number, since it uses less digits than its factorization.

9996879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33097.

The product of its digits is 2204496, while the sum is 57.

The square root of 9996879 is about 3161.7841482302. The cubic root of 9996879 is about 215.4210533688.

The spelling of 9996879 in words is "nine million, nine hundred ninety-six thousand, eight hundred seventy-nine".