985993188 has 96 divisors (see below), whose sum is σ = 2406039552. Its totient is φ = 314092800.

The previous prime is 985993171. The next prime is 985993199. The reversal of 985993188 is 881399589.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5162173 + ... + 5162363.

It is an arithmetic number, because the mean of its divisors is an integer number (25062912).

Almost surely, 2^985993188 is an apocalyptic number.

It is an amenable number.

985993188 is an abundant number, since it is smaller than the sum of its proper divisors (1420046364).

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

985993188 is a wasteful number, since it uses less digits than its factorization.

985993188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 423 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 60.

The square root of 985993188 is about 31400.5284668905. The cubic root of 985993188 is about 995.3090924603.

The spelling of 985993188 in words is "nine hundred eighty-five million, nine hundred ninety-three thousand, one hundred eighty-eight".