It is a tau number, because it is divible by the number of its divisors (112).
It is a nialpdrome in base 6.
It is a zygodrome in base 6.
2278208 is an apocalyptic number.
278208 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 278208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
278208 is a wasteful number, since it uses less digits than its factorization.
278208 is an evil number, because the sum of its binary digits is even.
The square root of 278208 is about 527.4542634201. The cubic root of 278208 is about 65.2814619050.
The spelling of 278208 in words is "two hundred seventy-eight thousand, two hundred eight".