856214 has 8 divisors (see below), whose sum is σ = 1296648. Its totient is φ = 424000.

The previous prime is 856213. The next prime is 856237. The reversal of 856214 is 412658.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 856214.

It is not an unprimeable number, because it can be changed into a prime (856213) 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, 1787 + ... + 2214.

It is an arithmetic number, because the mean of its divisors is an integer number (162081).

2⁸⁵⁶²¹⁴ is an apocalyptic number.

856214 is a deficient number, since it is larger than the sum of its proper divisors (440434).

856214 is a wasteful number, since it uses less digits than its factorization.

856214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110.

The product of its digits is 1920, while the sum is 26.

The square root of 856214 is about 925.3183236054. The cubic root of 856214 is about 94.9570997435.

Subtracting from 856214 its reverse (412658), we obtain a square (443556 = 666²).

It can be divided in two parts, 856 and 214, that multiplied together give a square (183184 = 428²).

The spelling of 856214 in words is "eight hundred fifty-six thousand, two hundred fourteen".