It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a Curzon number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274385.
It is an unprimeable number.
2274385 is an apocalyptic number.
It is an amenable number.
274385 is an equidigital number, since it uses as much as digits as its factorization.
274385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54882.
The square root of 274385 is about 523.8177163861. The cubic root of 274385 is about 64.9810595702.
The spelling of 274385 in words is "two hundred seventy-four thousand, three hundred eighty-five".