9798897 has 32 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 5859392.

The previous prime is 9798881. The next prime is 9798907. The reversal of 9798897 is 7988979.

It is a happy number.

It is not a de Polignac number, because 9798897 - 2⁴ = 9798881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9798827) 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 31 ways as a sum of consecutive naturals, for example, 118018 + ... + 118100.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^9798897 is an apocalyptic number.

It is an amenable number.

9798897 is a deficient number, since it is larger than the sum of its proper divisors (4716303).

9798897 is a wasteful number, since it uses less digits than its factorization.

9798897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its digits is 2286144, while the sum is 57.

The square root of 9798897 is about 3130.3189933296. The cubic root of 9798897 is about 213.9894672663.

The spelling of 9798897 in words is "nine million, seven hundred ninety-eight thousand, eight hundred ninety-seven".