856063 has 4 divisors (see below), whose sum is σ = 921928. Its totient is φ = 790200.

The previous prime is 856061. The next prime is 856073. The reversal of 856063 is 360658.

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 856063 - 2¹ = 856061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856061) 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, 32913 + ... + 32938.

It is an arithmetic number, because the mean of its divisors is an integer number (230482).

2⁸⁵⁶⁰⁶³ is an apocalyptic number.

856063 is a deficient number, since it is larger than the sum of its proper divisors (65865).

856063 is a wasteful number, since it uses less digits than its factorization.

856063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65864.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 856063 is about 925.2367264652. The cubic root of 856063 is about 94.9515172742.

The spelling of 856063 in words is "eight hundred fifty-six thousand, sixty-three".