863316 has 18 divisors (see below), whose sum is σ = 2182362. Its totient is φ = 287760.

The previous prime is 863309. The next prime is 863323. The reversal of 863316 is 613368.

It is an interprime number because it is at equal distance from previous prime (863309) and next prime (863323).

It can be written as a sum of positive squares in only one way, i.e., 435600 + 427716 = 660^2 + 654^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 863316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11955 + ... + 12026.

2⁸⁶³³¹⁶ is an apocalyptic number.

It is an amenable number.

863316 is an abundant number, since it is smaller than the sum of its proper divisors (1319046).

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

863316 is a wasteful number, since it uses less digits than its factorization.

863316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23991 (or 23986 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 863316 is about 929.1479968229. The cubic root of 863316 is about 95.2189226326.

It can be divided in two parts, 8633 and 16, that added together give a square (8649 = 93²).

The spelling of 863316 in words is "eight hundred sixty-three thousand, three hundred sixteen".