872858 has 8 divisors (see below), whose sum is σ = 1496352. Its totient is φ = 374076.

The previous prime is 872843. The next prime is 872863. The reversal of 872858 is 858278.

872858 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 Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31160 + ... + 31187.

It is an arithmetic number, because the mean of its divisors is an integer number (187044).

2⁸⁷²⁸⁵⁸ is an apocalyptic number.

872858 is a deficient number, since it is larger than the sum of its proper divisors (623494).

872858 is a wasteful number, since it uses less digits than its factorization.

872858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62356.

The product of its digits is 35840, while the sum is 38.

The square root of 872858 is about 934.2686979665. The cubic root of 872858 is about 95.5684477728.

The spelling of 872858 in words is "eight hundred seventy-two thousand, eight hundred fifty-eight".