274890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a zygodrome in base 7.
It is a congruent number.
It is an unprimeable number.
2274890 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 274890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
274890 is a wasteful number, since it uses less digits than its factorization.
274890 is an evil number, because the sum of its binary digits is even.
The square root of 274890 is about 524.2995327101. The cubic root of 274890 is about 65.0209005766.
The spelling of 274890 in words is "two hundred seventy-four thousand, eight hundred ninety".