856338 has 16 divisors (see below), whose sum is σ = 1957440. Its totient is φ = 244656.

The previous prime is 856333. The next prime is 856343. The reversal of 856338 is 833658.

It is an interprime number because it is at equal distance from previous prime (856333) and next prime (856343).

It is a junction number, because it is equal to n+sod(n) for n = 856299 and 856308.

It is not an unprimeable number, because it can be changed into a prime (856333) 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, 10153 + ... + 10236.

It is an arithmetic number, because the mean of its divisors is an integer number (122340).

2⁸⁵⁶³³⁸ is an apocalyptic number.

856338 is an abundant number, since it is smaller than the sum of its proper divisors (1101102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

856338 is a wasteful number, since it uses less digits than its factorization.

856338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20401.

The product of its digits is 17280, while the sum is 33.

The square root of 856338 is about 925.3853251484. The cubic root of 856338 is about 94.9616835322.

The spelling of 856338 in words is "eight hundred fifty-six thousand, three hundred thirty-eight".