Subtracting 891298 from its reverse (892198), we obtain a square (900 = 302).
891298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is an unprimeable number.
2891298 is an apocalyptic number.
891298 is a wasteful number, since it uses less digits than its factorization.
891298 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 445651.
The square root of 891298 is about 944.0858011855. The cubic root of 891298 is about 96.2367564845.
The spelling of 891298 in words is "eight hundred ninety-one thousand, two hundred ninety-eight".