8989889 has 8 divisors (see below), whose sum is σ = 9681120. Its totient is φ = 8316736.

The previous prime is 8989873. The next prime is 8989919. The reversal of 8989889 is 9889898.

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 8989889 - 2⁴ = 8989873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8989789) 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, 3479 + ... + 5484.

It is an arithmetic number, because the mean of its divisors is an integer number (1210140).

Almost surely, 2^8989889 is an apocalyptic number.

It is an amenable number.

8989889 is a deficient number, since it is larger than the sum of its proper divisors (691231).

8989889 is a wasteful number, since it uses less digits than its factorization.

8989889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039.

The product of its digits is 2985984, while the sum is 59.

The square root of 8989889 is about 2998.3143597695. The cubic root of 8989889 is about 207.9304578295.

Subtracting 8989889 from its reverse (9889898), we obtain a palindrome (900009).

The spelling of 8989889 in words is "eight million, nine hundred eighty-nine thousand, eight hundred eighty-nine".