985571712 has 160 divisors (see below), whose sum is σ = 3061309680. Its totient is φ = 314164224.

The previous prime is 985571711. The next prime is 985571731. The reversal of 985571712 is 217175589.

985571712 is a `hidden beast` number, since 9 + 8 + 5 + 571 + 71 + 2 = 666.

It is a super-2 number, since 2×985571712² = 1942703198989221888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985571711) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 236398 + ... + 240530.

Almost surely, 2^985571712 is an apocalyptic number.

985571712 is a gapful number since it is divisible by the number (92) 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 985571712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530654840).

985571712 is an abundant number, since it is smaller than the sum of its proper divisors (2075737968).

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

985571712 is a wasteful number, since it uses less digits than its factorization.

985571712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182 (or 4161 counting only the distinct ones).

The product of its digits is 176400, while the sum is 45.

The square root of 985571712 is about 31393.8164612078. The cubic root of 985571712 is about 995.1672528453.

The spelling of 985571712 in words is "nine hundred eighty-five million, five hundred seventy-one thousand, seven hundred twelve".