313684 has 24 divisors (see below), whose sum is σ = 665280. Its totient is φ = 126336.

The previous prime is 313679. The next prime is 313699. The reversal of 313684 is 486313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147 + ... + 805.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2³¹³⁶⁸⁴ is an apocalyptic number.

313684 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332640).

313684 is an abundant number, since it is smaller than the sum of its proper divisors (351596).

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

313684 is a wasteful number, since it uses less digits than its factorization.

313684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 685 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 313684 is about 560.0749949784. The cubic root of 313684 is about 67.9460356169.

Adding to 313684 its reverse (486313), we get a palindrome (799997).

The spelling of 313684 in words is "three hundred thirteen thousand, six hundred eighty-four".