887728 has 20 divisors (see below), whose sum is σ = 1738728. Its totient is φ = 439040.

The previous prime is 887717. The next prime is 887743. The reversal of 887728 is 827788.

887728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×887728² = 1576122003968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563 + ... + 2053.

2⁸⁸⁷⁷²⁸ is an apocalyptic number.

It is an amenable number.

887728 is a deficient number, since it is larger than the sum of its proper divisors (851000).

887728 is a wasteful number, since it uses less digits than its factorization.

887728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 606 counting only the distinct ones).

The product of its digits is 50176, while the sum is 40.

The square root of 887728 is about 942.1931861354. The cubic root of 887728 is about 96.1080958312.

The spelling of 887728 in words is "eight hundred eighty-seven thousand, seven hundred twenty-eight".