863056 has 40 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 382464.

The previous prime is 863047. The next prime is 863081. The reversal of 863056 is 650368.

It is a congruent number.

It is an unprimeable number.

863056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5085 + ... + 5251.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2⁸⁶³⁰⁵⁶ 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 863056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937440).

863056 is an abundant number, since it is smaller than the sum of its proper divisors (1011824).

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

863056 is a wasteful number, since it uses less digits than its factorization.

863056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 863056 is about 929.0080731619. The cubic root of 863056 is about 95.2093628246.

The spelling of 863056 in words is "eight hundred sixty-three thousand, fifty-six".