218948 has 12 divisors (see below), whose sum is σ = 387072. Its totient is φ = 108360.

The previous prime is 218947. The next prime is 218963. The reversal of 218948 is 849812.

It is a happy number.

218948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (218941) 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, 293 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (32256).

2²¹⁸⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

218948 is a deficient number, since it is larger than the sum of its proper divisors (168124).

218948 is a wasteful number, since it uses less digits than its factorization.

218948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 218948 is about 467.9187963739. The cubic root of 218948 is about 60.2717304810.

The spelling of 218948 in words is "two hundred eighteen thousand, nine hundred forty-eight".