9996785 has 8 divisors (see below), whose sum is σ = 12024936. Its totient is φ = 7978240.

The previous prime is 9996781. The next prime is 9996803. The reversal of 9996785 is 5876999.

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 9878449 = 344^2 + 3143^2 .

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

It is not a de Polignac number, because 9996785 - 2² = 9996781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9996781) 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, 137 + ... + 4473.

It is an arithmetic number, because the mean of its divisors is an integer number (1503117).

Almost surely, 2^9996785 is an apocalyptic number.

It is an amenable number.

9996785 is a deficient number, since it is larger than the sum of its proper divisors (2028151).

9996785 is a wasteful number, since it uses less digits than its factorization.

9996785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803.

The product of its digits is 1224720, while the sum is 53.

The square root of 9996785 is about 3161.7692831704. The cubic root of 9996785 is about 215.4203781700.

The spelling of 9996785 in words is "nine million, nine hundred ninety-six thousand, seven hundred eighty-five".