989828160 has 112 divisors (see below), whose sum is σ = 3149413056. Its totient is φ = 263391232.

The previous prime is 989828153. The next prime is 989828167. The reversal of 989828160 is 61828989.

It is an interprime number because it is at equal distance from previous prime (989828153) and next prime (989828167).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (989828167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649159 + ... + 650681.

Almost surely, 2^989828160 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 989828160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574706528).

989828160 is an abundant number, since it is smaller than the sum of its proper divisors (2159584896).

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

989828160 is a wasteful number, since it uses less digits than its factorization.

989828160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2210 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 989828160 is about 31461.5346097421. The cubic root of 989828160 is about 996.5978249984.

The spelling of 989828160 in words is "nine hundred eighty-nine million, eight hundred twenty-eight thousand, one hundred sixty".