989188200 has 960 divisors, whose sum is σ = 4688449920. Its totient is φ = 186624000.

The previous prime is 989188183. The next prime is 989188247. The reversal of 989188200 is 2881989.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 16216170 + ... + 16216230.

It is an arithmetic number, because the mean of its divisors is an integer number (4883802).

Almost surely, 2^989188200 is an apocalyptic number.

989188200 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989188200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344224960).

989188200 is an abundant number, since it is smaller than the sum of its proper divisors (3699261720).

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

989188200 is a wasteful number, since it uses less digits than its factorization.

989188200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 989188200 is about 31451.3624506157. The cubic root of 989188200 is about 996.3829997492.

The spelling of 989188200 in words is "nine hundred eighty-nine million, one hundred eighty-eight thousand, two hundred".