It is an ABA number since it can be written as A⋅BA, here for A=2, B=392.
It is a Duffinian number.
It is a nialpdrome in base 14.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 307328.
It is an unprimeable number.
307328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
307328 is a Friedman number, since it can be written as 8*(7*2)^(3+3^0), using all its digits and the basic arithmetic operations.
2307328 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 307328
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307328 is an frugal number, since it uses more digits than its factorization.
307328 is an odious number, because the sum of its binary digits is odd.
The square root of 307328 is about 554.3717164503. The cubic root of 307328 is about 67.4839833969.
The spelling of 307328 in words is "three hundred seven thousand, three hundred twenty-eight".