855612 has 18 divisors (see below), whose sum is σ = 2162888. Its totient is φ = 285192.

The previous prime is 855607. The next prime is 855619. The reversal of 855612 is 216558.

855612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11848 + ... + 11919.

2⁸⁵⁵⁶¹² is an apocalyptic number.

It is an amenable number.

855612 is an abundant number, since it is smaller than the sum of its proper divisors (1307276).

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

855612 is a wasteful number, since it uses less digits than its factorization.

855612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23777 (or 23772 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 855612 is about 924.9929729463. The cubic root of 855612 is about 94.9348398970.

The spelling of 855612 in words is "eight hundred fifty-five thousand, six hundred twelve".