870065 has 8 divisors (see below), whose sum is σ = 1193280. Its totient is φ = 596592.

The previous prime is 870059. The next prime is 870083. The reversal of 870065 is 560078.

870065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 870065 - 2⁴ = 870049 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 870065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12395 + ... + 12464.

It is an arithmetic number, because the mean of its divisors is an integer number (149160).

2⁸⁷⁰⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

870065 is a deficient number, since it is larger than the sum of its proper divisors (323215).

870065 is a wasteful number, since it uses less digits than its factorization.

870065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24871.

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

The square root of 870065 is about 932.7727483155. The cubic root of 870065 is about 95.4664044910.

The spelling of 870065 in words is "eight hundred seventy thousand, sixty-five".