856027 has 4 divisors (see below), whose sum is σ = 860296. Its totient is φ = 851760.

The previous prime is 856021. The next prime is 856043. The reversal of 856027 is 720658.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 856027 - 2¹⁹ = 331739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855986 and 856004.

It is not an unprimeable number, because it can be changed into a prime (856021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818 + ... + 2239.

It is an arithmetic number, because the mean of its divisors is an integer number (215074).

2⁸⁵⁶⁰²⁷ is an apocalyptic number.

856027 is a deficient number, since it is larger than the sum of its proper divisors (4269).

856027 is a wasteful number, since it uses less digits than its factorization.

856027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 856027 is about 925.2172717800. The cubic root of 856027 is about 94.9501862575.

The spelling of 856027 in words is "eight hundred fifty-six thousand, twenty-seven".