985175156 has 48 divisors (see below), whose sum is σ = 2109273600. Its totient is φ = 393203808.

The previous prime is 985175117. The next prime is 985175161. The reversal of 985175156 is 651571589.

985175156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 985175156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15695 + ... + 47081.

It is an arithmetic number, because the mean of its divisors is an integer number (43943200).

Almost surely, 2^985175156 is an apocalyptic number.

It is a pronic number, being equal to 31387×31388.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 985175156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054636800).

985175156 is an abundant number, since it is smaller than the sum of its proper divisors (1124098444).

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

985175156 is a wasteful number, since it uses less digits than its factorization.

985175156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31476 (or 31474 counting only the distinct ones).

The product of its digits is 378000, while the sum is 47.

The square root of 985175156 is about 31387.4999960175. The cubic root of 985175156 is about 995.0337626482.

The spelling of 985175156 in words is "nine hundred eighty-five million, one hundred seventy-five thousand, one hundred fifty-six".