9798805 has 16 divisors (see below), whose sum is σ = 12378240. Its totient is φ = 7432128.

The previous prime is 9798793. The next prime is 9798823. The reversal of 9798805 is 5088979.

9798805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9798805 - 2⁹ = 9798293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15679 + ... + 16291.

It is an arithmetic number, because the mean of its divisors is an integer number (773640).

Almost surely, 2^9798805 is an apocalyptic number.

It is an amenable number.

9798805 is a deficient number, since it is larger than the sum of its proper divisors (2579435).

9798805 is a wasteful number, since it uses less digits than its factorization.

9798805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 9798805 is about 3130.3042983071. The cubic root of 9798805 is about 213.9887975619.

The spelling of 9798805 in words is "nine million, seven hundred ninety-eight thousand, eight hundred five".