985332180 has 144 divisors (see below), whose sum is σ = 3220753536. Its totient is φ = 224421120.

The previous prime is 985332151. The next prime is 985332193. The reversal of 985332180 is 81233589.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1354977 + ... + 1355703.

It is an arithmetic number, because the mean of its divisors is an integer number (22366344).

Almost surely, 2^985332180 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 985332180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610376768).

985332180 is an abundant number, since it is smaller than the sum of its proper divisors (2235421356).

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

985332180 is a wasteful number, since it uses less digits than its factorization.

985332180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 985332180 is about 31390.0012742911. The cubic root of 985332180 is about 995.0866249506.

The spelling of 985332180 in words is "nine hundred eighty-five million, three hundred thirty-two thousand, one hundred eighty".