8731332 has 36 divisors (see below), whose sum is σ = 22162140. Its totient is φ = 2898432.

The previous prime is 8731321. The next prime is 8731339. The reversal of 8731332 is 2331378.

8731332 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 1887876 = 2616^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 8731296 and 8731305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8731339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14428 + ... + 15020.

It is an arithmetic number, because the mean of its divisors is an integer number (615615).

Almost surely, 2^8731332 is an apocalyptic number.

It is an amenable number.

8731332 is an abundant number, since it is smaller than the sum of its proper divisors (13430808).

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

8731332 is a wasteful number, since it uses less digits than its factorization.

8731332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1007 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 8731332 is about 2954.8827387902. The cubic root of 8731332 is about 205.9176155943.

The spelling of 8731332 in words is "eight million, seven hundred thirty-one thousand, three hundred thirty-two".