313893 has 6 divisors (see below), whose sum is σ = 453414. Its totient is φ = 209256.

The previous prime is 313889. The next prime is 313897. The reversal of 313893 is 398313.

It is an interprime number because it is at equal distance from previous prime (313889) and next prime (313897).

It can be written as a sum of positive squares in only one way, i.e., 294849 + 19044 = 543^2 + 138^2 .

It is not a de Polignac number, because 313893 - 2² = 313889 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17430 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (75569).

2³¹³⁸⁹³ is an apocalyptic number.

It is an amenable number.

313893 is a deficient number, since it is larger than the sum of its proper divisors (139521).

313893 is a wasteful number, since it uses less digits than its factorization.

313893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34883 (or 34880 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 313893 is about 560.2615460658. The cubic root of 313893 is about 67.9611225289.

The spelling of 313893 in words is "three hundred thirteen thousand, eight hundred ninety-three".