867255 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 410112.

The previous prime is 867253. The next prime is 867257. The reversal of 867255 is 552768.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (867253) and next prime (867257).

It is not a de Polignac number, because 867255 - 2¹ = 867253 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 867255.

It is not an unprimeable number, because it can be changed into a prime (867253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4756 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁸⁶⁷²⁵⁵ is an apocalyptic number.

867255 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

867255 is a deficient number, since it is larger than the sum of its proper divisors (687945).

867255 is a wasteful number, since it uses less digits than its factorization.

867255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its digits is 16800, while the sum is 33.

The square root of 867255 is about 931.2652683312. The cubic root of 867255 is about 95.3635194915.

The spelling of 867255 in words is "eight hundred sixty-seven thousand, two hundred fifty-five".