870560 has 24 divisors (see below), whose sum is σ = 2057076. Its totient is φ = 348160.

The previous prime is 870547. The next prime is 870577. The reversal of 870560 is 65078.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 1936 = 932^2 + 44^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 870560.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561 + ... + 2880.

2⁸⁷⁰⁵⁶⁰ is an apocalyptic number.

870560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

870560 is an abundant number, since it is smaller than the sum of its proper divisors (1186516).

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

870560 is a wasteful number, since it uses less digits than its factorization.

870560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5448 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 870560 is about 933.0380485275. The cubic root of 870560 is about 95.4845054035.

The spelling of 870560 in words is "eight hundred seventy thousand, five hundred sixty".