870568 has 8 divisors (see below), whose sum is σ = 1632330. Its totient is φ = 435280.

The previous prime is 870547. The next prime is 870577. The reversal of 870568 is 865078.

It can be written as a sum of positive squares in only one way, i.e., 708964 + 161604 = 842^2 + 402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54403 + ... + 54418.

2⁸⁷⁰⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

870568 is a deficient number, since it is larger than the sum of its proper divisors (761762).

870568 is a wasteful number, since it uses less digits than its factorization.

870568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108827 (or 108823 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 870568 is about 933.0423355883. The cubic root of 870568 is about 95.4847978872.

The spelling of 870568 in words is "eight hundred seventy thousand, five hundred sixty-eight".