870536 has 32 divisors (see below), whose sum is σ = 1785240. Its totient is φ = 396288.

The previous prime is 870533. The next prime is 870547. The reversal of 870536 is 635078.

It can be written as a sum of positive squares in 4 ways, for example, as 828100 + 42436 = 910^2 + 206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 870499 and 870508.

It is not an unprimeable number, because it can be changed into a prime (870533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4946 + ... + 5118.

2⁸⁷⁰⁵³⁶ is an apocalyptic number.

It is an amenable number.

870536 is an abundant number, since it is smaller than the sum of its proper divisors (914704).

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

870536 is a wasteful number, since it uses less digits than its factorization.

870536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 870536 is about 933.0251872270. The cubic root of 870536 is about 95.4836279418.

The spelling of 870536 in words is "eight hundred seventy thousand, five hundred thirty-six".