855606 has 8 divisors (see below), whose sum is σ = 1711224. Its totient is φ = 285200.

The previous prime is 855601. The next prime is 855607. The reversal of 855606 is 606558.

855606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

855606 is an admirable number.

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 855606.

It is not an unprimeable number, because it can be changed into a prime (855601) by changing a digit.

855606 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71295 + ... + 71306.

It is an arithmetic number, because the mean of its divisors is an integer number (213903).

2⁸⁵⁵⁶⁰⁶ is an apocalyptic number.

855606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

855606 is a wasteful number, since it uses less digits than its factorization.

855606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142606.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 855606 is about 924.9897296727. The cubic root of 855606 is about 94.9346179856.

The spelling of 855606 in words is "eight hundred fifty-five thousand, six hundred six".