870104 has 16 divisors (see below), whose sum is σ = 1659120. Its totient is φ = 427680.

The previous prime is 870097. The next prime is 870109. The reversal of 870104 is 401078.

It is a happy number.

870104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 870104.

It is not an unprimeable number, because it can be changed into a prime (870109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404 + ... + 1379.

It is an arithmetic number, because the mean of its divisors is an integer number (103695).

2⁸⁷⁰¹⁰⁴ is an apocalyptic number.

It is an amenable number.

870104 is a deficient number, since it is larger than the sum of its proper divisors (789016).

870104 is a wasteful number, since it uses less digits than its factorization.

870104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 870104 is about 932.7936534947. The cubic root of 870104 is about 95.4678308726.

The spelling of 870104 in words is "eight hundred seventy thousand, one hundred four".