862255 has 8 divisors (see below), whose sum is σ = 1039824. Its totient is φ = 686400.

The previous prime is 862249. The next prime is 862259. The reversal of 862255 is 552268.

862255 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.

It is not a de Polignac number, because 862255 - 2⁹ = 861743 is a prime.

It is a Duffinian number.

862255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395 + ... + 1915.

It is an arithmetic number, because the mean of its divisors is an integer number (129978).

2⁸⁶²²⁵⁵ is an apocalyptic number.

862255 is a deficient number, since it is larger than the sum of its proper divisors (177569).

862255 is a wasteful number, since it uses less digits than its factorization.

862255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its digits is 4800, while the sum is 28.

The square root of 862255 is about 928.5768681159. The cubic root of 862255 is about 95.1798991881.

The spelling of 862255 in words is "eight hundred sixty-two thousand, two hundred fifty-five".