8887728 has 20 divisors (see below), whose sum is σ = 22960088. Its totient is φ = 2962560.

The previous prime is 8887727. The next prime is 8887757. The reversal of 8887728 is 8277888.

8887728 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 185161 = 8887728 / (8 + 8 + 8 + 7 + 7 + 2 + 8).

It is not an unprimeable number, because it can be changed into a prime (8887721) 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, 92533 + ... + 92628.

Almost surely, 2^8887728 is an apocalyptic number.

It is an amenable number.

8887728 is an abundant number, since it is smaller than the sum of its proper divisors (14072360).

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

8887728 is a wasteful number, since it uses less digits than its factorization.

8887728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185172 (or 185166 counting only the distinct ones).

The product of its digits is 401408, while the sum is 48.

The square root of 8887728 is about 2981.2292766575. The cubic root of 8887728 is about 207.1398154584.

The spelling of 8887728 in words is "eight million, eight hundred eighty-seven thousand, seven hundred twenty-eight".