218870848 has 84 divisors (see below), whose sum is σ = 512868672. Its totient is φ = 92386560.

The previous prime is 218870837. The next prime is 218870849. The reversal of 218870848 is 848078812.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 218870798 and 218870807.

It is not an unprimeable number, because it can be changed into a prime (218870849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222165 + ... + 223147.

Almost surely, 2^218870848 is an apocalyptic number.

218870848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218870848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256434336).

218870848 is an abundant number, since it is smaller than the sum of its proper divisors (293997824).

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

218870848 is an equidigital number, since it uses as much as digits as its factorization.

218870848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 46.

The square root of 218870848 is about 14794.2843017160. The cubic root of 218870848 is about 602.6465021403.

The spelling of 218870848 in words is "two hundred eighteen million, eight hundred seventy thousand, eight hundred forty-eight".