870528 has 32 divisors (see below), whose sum is σ = 2313360. Its totient is φ = 290048.

The previous prime is 870517. The next prime is 870533. The reversal of 870528 is 825078.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 870495 and 870504.

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, 750 + ... + 1517.

2⁸⁷⁰⁵²⁸ is an apocalyptic number.

It is an amenable number.

870528 is an abundant number, since it is smaller than the sum of its proper divisors (1442832).

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

870528 is a wasteful number, since it uses less digits than its factorization.

870528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 870528 is about 933.0209000875. The cubic root of 870528 is about 95.4833354510.

The spelling of 870528 in words is "eight hundred seventy thousand, five hundred twenty-eight".