863313 has 8 divisors (see below), whose sum is σ = 1255776. Its totient is φ = 523200.

The previous prime is 863309. The next prime is 863323. The reversal of 863313 is 313368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 863313 - 2² = 863309 is a prime.

863313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (863323) 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, 13048 + ... + 13113.

It is an arithmetic number, because the mean of its divisors is an integer number (156972).

2⁸⁶³³¹³ is an apocalyptic number.

It is an amenable number.

863313 is a deficient number, since it is larger than the sum of its proper divisors (392463).

863313 is a wasteful number, since it uses less digits than its factorization.

863313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26175.

The product of its digits is 1296, while the sum is 24.

The square root of 863313 is about 929.1463824393. The cubic root of 863313 is about 95.2188123381.

Subtracting from 863313 its reverse (313368), we obtain a palindrome (549945).

It can be divided in two parts, 8633 and 13, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 863313 in words is "eight hundred sixty-three thousand, three hundred thirteen".