8731112 has 32 divisors (see below), whose sum is σ = 18114600. Its totient is φ = 3919104.

The previous prime is 8731111. The next prime is 8731139. The reversal of 8731112 is 2111378.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5541316 + 3189796 = 2354^2 + 1786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8731111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2714 + ... + 4982.

Almost surely, 2^8731112 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 8731112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9057300).

8731112 is an abundant number, since it is smaller than the sum of its proper divisors (9383488).

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

8731112 is a wasteful number, since it uses less digits than its factorization.

8731112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325 (or 2321 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 8731112 is about 2954.8455120361. The cubic root of 8731112 is about 205.9158861042.

The spelling of 8731112 in words is "eight million, seven hundred thirty-one thousand, one hundred twelve".