9898563 has 8 divisors (see below), whose sum is σ = 13892800. Its totient is φ = 6251688.

The previous prime is 9898547. The next prime is 9898571. The reversal of 9898563 is 3658989.

9898563 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9898563 - 2⁴ = 9898547 is a prime.

It is an alternating number because its digits alternate between odd and even.

9898563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9898543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86773 + ... + 86886.

It is an arithmetic number, because the mean of its divisors is an integer number (1736600).

Almost surely, 2^9898563 is an apocalyptic number.

9898563 is a deficient number, since it is larger than the sum of its proper divisors (3994237).

9898563 is a wasteful number, since it uses less digits than its factorization.

9898563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173681.

The product of its digits is 466560, while the sum is 48.

The square root of 9898563 is about 3146.1981819332. The cubic root of 9898563 is about 214.7125272803.

The spelling of 9898563 in words is "nine million, eight hundred ninety-eight thousand, five hundred sixty-three".