318793 has 2 divisors, whose sum is σ = 318794. Its totient is φ = 318792.

The previous prime is 318781. The next prime is 318809. The reversal of 318793 is 397813.

318793 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242064 + 76729 = 492^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 318793 - 2⁹ = 318281 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159396 + 159397.

It is an arithmetic number, because the mean of its divisors is an integer number (159397).

2³¹⁸⁷⁹³ is an apocalyptic number.

It is an amenable number.

318793 is a deficient number, since it is larger than the sum of its proper divisors (1).

318793 is an equidigital number, since it uses as much as digits as its factorization.

318793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 318793 is about 564.6175696877. The cubic root of 318793 is about 68.3129319756.

It can be divided in two parts, 318 and 793, that added together give a palindrome (1111).

The spelling of 318793 in words is "three hundred eighteen thousand, seven hundred ninety-three".