989000989 has 16 divisors (see below), whose sum is σ = 1066564224. Its totient is φ = 914760000.

The previous prime is 989000941. The next prime is 989001001.

989000989 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989000989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989001989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94939 + ... + 104839.

It is an arithmetic number, because the mean of its divisors is an integer number (66660264).

Almost surely, 2^989000989 is an apocalyptic number.

It is an amenable number.

989000989 is a deficient number, since it is larger than the sum of its proper divisors (77563235).

989000989 is a wasteful number, since it uses less digits than its factorization.

989000989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10068.

The product of its (nonzero) digits is 419904, while the sum is 52.

The square root of 989000989 is about 31448.3861112140. The cubic root of 989000989 is about 996.3201382275.

It can be divided in two parts, 989000 and 989, that added together give a palindrome (989989).

The spelling of 989000989 in words is "nine hundred eighty-nine million, nine hundred eighty-nine", and thus it is an aban number.