318093 has 4 divisors (see below), whose sum is σ = 424128. Its totient is φ = 212060.

The previous prime is 318077. The next prime is 318103. The reversal of 318093 is 390813.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 318093 - 2⁴ = 318077 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318093.

It is not an unprimeable number, because it can be changed into a prime (318023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53013 + ... + 53018.

It is an arithmetic number, because the mean of its divisors is an integer number (106032).

2³¹⁸⁰⁹³ is an apocalyptic number.

It is an amenable number.

318093 is a deficient number, since it is larger than the sum of its proper divisors (106035).

318093 is a wasteful number, since it uses less digits than its factorization.

318093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106034.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 318093 is about 563.9973404193. The cubic root of 318093 is about 68.2628952274.

The spelling of 318093 in words is "three hundred eighteen thousand, ninety-three".