8829728 has 12 divisors (see below), whose sum is σ = 17383590. Its totient is φ = 4414848.

The previous prime is 8829721. The next prime is 8829731. The reversal of 8829728 is 8279288.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 1056784 = 2788^2 + 1028^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8829721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137933 + ... + 137996.

Almost surely, 2^8829728 is an apocalyptic number.

It is an amenable number.

8829728 is a deficient number, since it is larger than the sum of its proper divisors (8553862).

8829728 is a wasteful number, since it uses less digits than its factorization.

8829728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275939 (or 275931 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 8829728 is about 2971.4858236243. The cubic root of 8829728 is about 206.6882437872.

The spelling of 8829728 in words is "eight million, eight hundred twenty-nine thousand, seven hundred twenty-eight".