989000880 has 160 divisors (see below), whose sum is σ = 3514060800. Its totient is φ = 225401856.

The previous prime is 989000813. The next prime is 989000899. The reversal of 989000880 is 88000989.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804106 + ... + 805334.

It is an arithmetic number, because the mean of its divisors is an integer number (21962880).

Almost surely, 2^989000880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989000880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757030400).

989000880 is an abundant number, since it is smaller than the sum of its proper divisors (2525059920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989000880 is a wasteful number, since it uses less digits than its factorization.

989000880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 989000880 is about 31448.3843782157. The cubic root of 989000880 is about 996.3201016253.

The spelling of 989000880 in words is "nine hundred eighty-nine million, eight hundred eighty", and thus it is an aban number.