863255 has 8 divisors (see below), whose sum is σ = 1061424. Its totient is φ = 673600.

The previous prime is 863251. The next prime is 863279. The reversal of 863255 is 552368.

863255 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 863255 - 2² = 863251 is a prime.

It is a d-powerful number, because it can be written as 8⁶ + 6⁵ + 2¹⁶ + 3¹⁰ + 5⁷ + 5⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863251) 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, 1901 + ... + 2310.

It is an arithmetic number, because the mean of its divisors is an integer number (132678).

2⁸⁶³²⁵⁵ is an apocalyptic number.

863255 is a deficient number, since it is larger than the sum of its proper divisors (198169).

863255 is a wasteful number, since it uses less digits than its factorization.

863255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257.

The product of its digits is 7200, while the sum is 29.

The square root of 863255 is about 929.1151704713. The cubic root of 863255 is about 95.2166799270.

The spelling of 863255 in words is "eight hundred sixty-three thousand, two hundred fifty-five".