318006 has 40 divisors (see below), whose sum is σ = 772464. Its totient is φ = 97200.

The previous prime is 318001. The next prime is 318007. The reversal of 318006 is 600813.

It is a super-2 number, since 2×318006² = 202255632072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 318006.

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 318006.

It is not an unprimeable number, because it can be changed into a prime (318001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2031 + ... + 2181.

2³¹⁸⁰⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386232).

318006 is an abundant number, since it is smaller than the sum of its proper divisors (454458).

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

318006 is a wasteful number, since it uses less digits than its factorization.

318006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 318006 is about 563.9202071215. The cubic root of 318006 is about 68.2566712474.

Adding to 318006 its reverse (600813), we get a palindrome (918819).

The spelling of 318006 in words is "three hundred eighteen thousand, six".