8947028 has 12 divisors (see below), whose sum is σ = 15680532. Its totient is φ = 4466880.

The previous prime is 8947027. The next prime is 8947031. The reversal of 8947028 is 8207498.

8947028 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 4545424 + 4401604 = 2132^2 + 2098^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 8946982 and 8947000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8947021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576 + ... + 4952.

It is an arithmetic number, because the mean of its divisors is an integer number (1306711).

Almost surely, 2^8947028 is an apocalyptic number.

It is an amenable number.

8947028 is a deficient number, since it is larger than the sum of its proper divisors (6733504).

8947028 is a wasteful number, since it uses less digits than its factorization.

8947028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322 (or 3320 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 8947028 is about 2991.1583040688. The cubic root of 8947028 is about 207.5994819826.

It can be divided in two parts, 89470 and 28, that added together give a palindrome (89498).

The spelling of 8947028 in words is "eight million, nine hundred forty-seven thousand, twenty-eight".