856113 has 8 divisors (see below), whose sum is σ = 1150368. Its totient is φ = 566304.

The previous prime is 856111. The next prime is 856117. The reversal of 856113 is 311658.

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

It is not a de Polignac number, because 856113 - 2¹ = 856111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (856111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (143796).

2⁸⁵⁶¹¹³ is an apocalyptic number.

It is an amenable number.

856113 is a deficient number, since it is larger than the sum of its proper divisors (294255).

856113 is a wasteful number, since it uses less digits than its factorization.

856113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223.

The product of its digits is 720, while the sum is 24.

The square root of 856113 is about 925.2637461827. The cubic root of 856113 is about 94.9533658467.

It can be divided in two parts, 856 and 113, that added together give a palindrome (969).

The spelling of 856113 in words is "eight hundred fifty-six thousand, one hundred thirteen".