855206 has 8 divisors (see below), whose sum is σ = 1399464. Its totient is φ = 388720.

The previous prime is 855203. The next prime is 855221. The reversal of 855206 is 602558.

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

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855203) 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, 19415 + ... + 19458.

It is an arithmetic number, because the mean of its divisors is an integer number (174933).

2⁸⁵⁵²⁰⁶ is an apocalyptic number.

855206 is a deficient number, since it is larger than the sum of its proper divisors (544258).

855206 is a wasteful number, since it uses less digits than its factorization.

855206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38886.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 855206 is about 924.7734857791. The cubic root of 855206 is about 94.9198215464.

The spelling of 855206 in words is "eight hundred fifty-five thousand, two hundred six".