318818 has 8 divisors (see below), whose sum is σ = 506412. Its totient is φ = 150016.

The previous prime is 318817. The next prime is 318823. The reversal of 318818 is 818813.

318818 = 17⁴ + 18⁴ + 19⁴.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 316969 + 1849 = 563^2 + 43^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (318811) 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, 4655 + ... + 4722.

2³¹⁸⁸¹⁸ is an apocalyptic number.

318818 is a deficient number, since it is larger than the sum of its proper divisors (187594).

318818 is a wasteful number, since it uses less digits than its factorization.

318818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9396.

The product of its digits is 1536, while the sum is 29.

The square root of 318818 is about 564.6397081325. The cubic root of 318818 is about 68.3147176470.

The spelling of 318818 in words is "three hundred eighteen thousand, eight hundred eighteen".