38218 has 8 divisors (see below), whose sum is σ = 58212. Its totient is φ = 18816.

The previous prime is 38201. The next prime is 38219. The reversal of 38218 is 81283.

38218 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 34969 + 3249 = 187^2 + 57^2 .

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

38218 is an undulating number in base 14.

It is not an unprimeable number, because it can be changed into a prime (38219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 292.

2³⁸²¹⁸ is an apocalyptic number.

38218 is a deficient number, since it is larger than the sum of its proper divisors (19994).

38218 is a wasteful number, since it uses less digits than its factorization.

38218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its digits is 384, while the sum is 22.

The square root of 38218 is about 195.4942454396. The cubic root of 38218 is about 33.6839219239.

It can be divided in two parts, 382 and 18, that added together give a square (400 = 20²).

The spelling of 38218 in words is "thirty-eight thousand, two hundred eighteen".