856367 has 4 divisors (see below), whose sum is σ = 877296. Its totient is φ = 835440.

The previous prime is 856351. The next prime is 856369. The reversal of 856367 is 763658.

It is a happy number.

856367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 856367 - 2⁴ = 856351 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 5 + 3² + 6 + 6² + 7⁷ .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856369) 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, 10403 + ... + 10484.

It is an arithmetic number, because the mean of its divisors is an integer number (219324).

2⁸⁵⁶³⁶⁷ is an apocalyptic number.

856367 is a deficient number, since it is larger than the sum of its proper divisors (20929).

856367 is a wasteful number, since it uses less digits than its factorization.

856367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928.

The product of its digits is 30240, while the sum is 35.

The square root of 856367 is about 925.4009941642. The cubic root of 856367 is about 94.9627554834.

The spelling of 856367 in words is "eight hundred fifty-six thousand, three hundred sixty-seven".