855846 has 28 divisors (see below), whose sum is σ = 1928052. Its totient is φ = 284796.

The previous prime is 855821. The next prime is 855851. The reversal of 855846 is 648558.

It is a happy number.

855846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 855846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1165 + ... + 1751.

It is an arithmetic number, because the mean of its divisors is an integer number (68859).

2⁸⁵⁵⁸⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964026).

855846 is an abundant number, since it is smaller than the sum of its proper divisors (1072206).

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

855846 is an equidigital number, since it uses as much as digits as its factorization.

855846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 592 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 855846 is about 925.1194517466. The cubic root of 855846 is about 94.9434936356.

The spelling of 855846 in words is "eight hundred fifty-five thousand, eight hundred forty-six".