8989563 has 8 divisors (see below), whose sum is σ = 13075776. Its totient is φ = 5448200.

The previous prime is 8989553. The next prime is 8989567. The reversal of 8989563 is 3659898.

8989563 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 a cyclic number.

It is not a de Polignac number, because 8989563 - 2⁶ = 8989499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8989567) 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 in 7 ways as a sum of consecutive naturals, for example, 136173 + ... + 136238.

It is an arithmetic number, because the mean of its divisors is an integer number (1634472).

Almost surely, 2^8989563 is an apocalyptic number.

8989563 is a deficient number, since it is larger than the sum of its proper divisors (4086213).

8989563 is a wasteful number, since it uses less digits than its factorization.

8989563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272425.

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

The square root of 8989563 is about 2998.2599953973. The cubic root of 8989563 is about 207.9279444077.

The spelling of 8989563 in words is "eight million, nine hundred eighty-nine thousand, five hundred sixty-three".