9806806 has 4 divisors (see below), whose sum is σ = 14710212. Its totient is φ = 4903402.

The previous prime is 9806801. The next prime is 9806833. The reversal of 9806806 is 6086089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6086089 = 2467².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9806801) by changing a digit.

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 as a sum of consecutive naturals, namely, 2451700 + ... + 2451703.

It is an arithmetic number, because the mean of its divisors is an integer number (3677553).

Almost surely, 2^9806806 is an apocalyptic number.

9806806 is a deficient number, since it is larger than the sum of its proper divisors (4903406).

9806806 is a wasteful number, since it uses less digits than its factorization.

9806806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903405.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 9806806 is about 3131.5820283045. The cubic root of 9806806 is about 214.0470243416.

The spelling of 9806806 in words is "nine million, eight hundred six thousand, eight hundred six".