870002 has 8 divisors (see below), whose sum is σ = 1491456. Its totient is φ = 372852.

The previous prime is 869989. The next prime is 870007. The reversal of 870002 is 200078.

870002 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 not an unprimeable number, because it can be changed into a prime (870007) by changing a digit.

870002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31058 + ... + 31085.

It is an arithmetic number, because the mean of its divisors is an integer number (186432).

2⁸⁷⁰⁰⁰² is an apocalyptic number.

870002 is a deficient number, since it is larger than the sum of its proper divisors (621454).

870002 is a wasteful number, since it uses less digits than its factorization.

870002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62152.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 870002 is about 932.7389774208. The cubic root of 870002 is about 95.4641002461.

The spelling of 870002 in words is "eight hundred seventy thousand, two".