855288 has 48 divisors (see below), whose sum is σ = 2648880. Its totient is φ = 244224.

The previous prime is 855277. The next prime is 855293. The reversal of 855288 is 882558.

855288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

855288 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 11 ways as a sum of consecutive naturals, for example, 345 + ... + 1352.

It is an arithmetic number, because the mean of its divisors is an integer number (55185).

2⁸⁵⁵²⁸⁸ is an apocalyptic number.

It is an amenable number.

855288 is an abundant number, since it is smaller than the sum of its proper divisors (1793592).

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

855288 is a wasteful number, since it uses less digits than its factorization.

855288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1709 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 855288 is about 924.8178198975. The cubic root of 855288 is about 94.9228551923.

The spelling of 855288 in words is "eight hundred fifty-five thousand, two hundred eighty-eight".