985975872 has 224 divisors, whose sum is σ = 3164555520. Its totient is φ = 264929280.

The previous prime is 985975871. The next prime is 985975883. The reversal of 985975872 is 278579589.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (985975871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1597708 + ... + 1598324.

It is an arithmetic number, because the mean of its divisors is an integer number (14127480).

Almost surely, 2^985975872 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 985975872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582277760).

985975872 is an abundant number, since it is smaller than the sum of its proper divisors (2178579648).

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

985975872 is a wasteful number, since it uses less digits than its factorization.

985975872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 699 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 60.

The square root of 985975872 is about 31400.2527378364. The cubic root of 985975872 is about 995.3032658909.

The spelling of 985975872 in words is "nine hundred eighty-five million, nine hundred seventy-five thousand, eight hundred seventy-two".