218348 has 36 divisors (see below), whose sum is σ = 461160. Its totient is φ = 89856.

The previous prime is 218287. The next prime is 218357. The reversal of 218348 is 843812.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11483 + ... + 11501.

It is an arithmetic number, because the mean of its divisors is an integer number (12810).

2²¹⁸³⁴⁸ is an apocalyptic number.

It is an amenable number.

218348 is an abundant number, since it is smaller than the sum of its proper divisors (242812).

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

218348 is a wasteful number, since it uses less digits than its factorization.

218348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 51 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 218348 is about 467.2772196459. The cubic root of 218348 is about 60.2166243643.

The spelling of 218348 in words is "two hundred eighteen thousand, three hundred forty-eight".