855270 has 96 divisors (see below), whose sum is σ = 2594592. Its totient is φ = 193536.

The previous prime is 855269. The next prime is 855271. The reversal of 855270 is 72558.

It is a happy number.

855270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (855269) and next prime (855271).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19869 + ... + 19911.

It is an arithmetic number, because the mean of its divisors is an integer number (27027).

2⁸⁵⁵²⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297296).

855270 is an abundant number, since it is smaller than the sum of its proper divisors (1739322).

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

855270 is a wasteful number, since it uses less digits than its factorization.

855270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 855270 is about 924.8080881999. The cubic root of 855270 is about 94.9221892867.

It can be divided in two parts, 8 and 55270, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 855270 in words is "eight hundred fifty-five thousand, two hundred seventy".