313885 has 16 divisors (see below), whose sum is σ = 443520. Its totient is φ = 210240.

The previous prime is 313883. The next prime is 313889. The reversal of 313885 is 588313.

It is not a de Polignac number, because 313885 - 2¹ = 313883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496 + ... + 934.

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

2³¹³⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

313885 is a deficient number, since it is larger than the sum of its proper divisors (129635).

313885 is a wasteful number, since it uses less digits than its factorization.

313885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468.

The product of its digits is 2880, while the sum is 28.

The square root of 313885 is about 560.2544064976. The cubic root of 313885 is about 67.9605451628.

It can be divided in two parts, 3138 and 85, that added together give a palindrome (3223).

The spelling of 313885 in words is "three hundred thirteen thousand, eight hundred eighty-five".