863104 has 32 divisors (see below), whose sum is σ = 1878840. Its totient is φ = 391680.

The previous prime is 863087. The next prime is 863119. The reversal of 863104 is 401368.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102 + ... + 1714.

2⁸⁶³¹⁰⁴ 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 863104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (939420).

863104 is an abundant number, since it is smaller than the sum of its proper divisors (1015736).

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

863104 is a wasteful number, since it uses less digits than its factorization.

863104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 863104 is about 929.0339068086. The cubic root of 863104 is about 95.2111278568.

The spelling of 863104 in words is "eight hundred sixty-three thousand, one hundred four".