8728332 has 24 divisors (see below), whose sum is σ = 20420400. Its totient is φ = 2901696.

The previous prime is 8728331. The next prime is 8728373. The reversal of 8728332 is 2338278.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8728293 and 8728302.

It is not an unprimeable number, because it can be changed into a prime (8728331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5394 + ... + 6822.

It is an arithmetic number, because the mean of its divisors is an integer number (850850).

Almost surely, 2^8728332 is an apocalyptic number.

It is an amenable number.

8728332 is an abundant number, since it is smaller than the sum of its proper divisors (11692068).

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

8728332 is a wasteful number, since it uses less digits than its factorization.

8728332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1943 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 8728332 is about 2954.3750608208. The cubic root of 8728332 is about 205.8940291353.

The spelling of 8728332 in words is "eight million, seven hundred twenty-eight thousand, three hundred thirty-two".