863208 has 48 divisors (see below), whose sum is σ = 2464800. Its totient is φ = 272160.

The previous prime is 863197. The next prime is 863231. The reversal of 863208 is 802368.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1053 + ... + 1683.

It is an arithmetic number, because the mean of its divisors is an integer number (51350).

2⁸⁶³²⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232400).

863208 is an abundant number, since it is smaller than the sum of its proper divisors (1601592).

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

863208 is a wasteful number, since it uses less digits than its factorization.

863208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 863208 is about 929.0898772455. The cubic root of 863208 is about 95.2149518686.

The spelling of 863208 in words is "eight hundred sixty-three thousand, two hundred eight".