9996805 has 32 divisors (see below), whose sum is σ = 14966784. Its totient is φ = 6241536.

The previous prime is 9996803. The next prime is 9996809. The reversal of 9996805 is 5086999.

It is a happy number.

It is not a de Polignac number, because 9996805 - 2¹ = 9996803 is a prime.

It is a super-2 number, since 2×9996805² = 199872220416050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57699 + ... + 57871.

It is an arithmetic number, because the mean of its divisors is an integer number (467712).

Almost surely, 2^9996805 is an apocalyptic number.

It is an amenable number.

9996805 is a deficient number, since it is larger than the sum of its proper divisors (4969979).

9996805 is a wasteful number, since it uses less digits than its factorization.

9996805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 9996805 is about 3161.7724459550. The cubic root of 9996805 is about 215.4205218297.

It can be divided in two parts, 9996 and 805, that added together give a palindrome (10801).

The spelling of 9996805 in words is "nine million, nine hundred ninety-six thousand, eight hundred five".