313863 has 8 divisors (see below), whose sum is σ = 456576. Its totient is φ = 190200.

The previous prime is 313853. The next prime is 313879. The reversal of 313863 is 368313.

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

It is not a de Polignac number, because 313863 - 2⁹ = 313351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313853) 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, 4723 + ... + 4788.

It is an arithmetic number, because the mean of its divisors is an integer number (57072).

2³¹³⁸⁶³ is an apocalyptic number.

313863 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

313863 is a deficient number, since it is larger than the sum of its proper divisors (142713).

313863 is a wasteful number, since it uses less digits than its factorization.

313863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525.

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

The square root of 313863 is about 560.2347722161. The cubic root of 313863 is about 67.9589573552.

It can be divided in two parts, 313 and 863, that added together give a triangular number (1176 = T₄₈).

The spelling of 313863 in words is "three hundred thirteen thousand, eight hundred sixty-three".