9800806 has 32 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 4329600.

The previous prime is 9800803. The next prime is 9800821. The reversal of 9800806 is 6080089.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9800801) 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 15 ways as a sum of consecutive naturals, for example, 64831 + ... + 64981.

It is an arithmetic number, because the mean of its divisors is an integer number (517104).

Almost surely, 2^9800806 is an apocalyptic number.

9800806 is a deficient number, since it is larger than the sum of its proper divisors (6746522).

9800806 is a wasteful number, since it uses less digits than its factorization.

9800806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 9800806 is about 3130.6238994807. The cubic root of 9800806 is about 214.0033626863.

The spelling of 9800806 in words is "nine million, eight hundred thousand, eight hundred six".