870886 has 8 divisors (see below), whose sum is σ = 1324944. Its totient is φ = 429240.

The previous prime is 870871. The next prime is 870889. The reversal of 870886 is 688078.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2925 + ... + 3208.

It is an arithmetic number, because the mean of its divisors is an integer number (165618).

2⁸⁷⁰⁸⁸⁶ is an apocalyptic number.

870886 is a deficient number, since it is larger than the sum of its proper divisors (454058).

870886 is a wasteful number, since it uses less digits than its factorization.

870886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 870886 is about 933.2127303032. The cubic root of 870886 is about 95.4964226614.

The spelling of 870886 in words is "eight hundred seventy thousand, eight hundred eighty-six".