8643332 has 6 divisors (see below), whose sum is σ = 15125838. Its totient is φ = 4321664.

The previous prime is 8643317. The next prime is 8643337. The reversal of 8643332 is 2333468.

8643332 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 only one way, i.e., 7311616 + 1331716 = 2704^2 + 1154^2 .

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8643295 and 8643304.

It is not an unprimeable number, because it can be changed into a prime (8643337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080413 + ... + 1080420.

It is an arithmetic number, because the mean of its divisors is an integer number (2520973).

Almost surely, 2^8643332 is an apocalyptic number.

It is an amenable number.

8643332 is a deficient number, since it is larger than the sum of its proper divisors (6482506).

8643332 is a wasteful number, since it uses less digits than its factorization.

8643332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160837 (or 2160835 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 8643332 is about 2939.9544214154. The cubic root of 8643332 is about 205.2234881733.

The spelling of 8643332 in words is "eight million, six hundred forty-three thousand, three hundred thirty-two".