It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 12.
It is an unprimeable number.
21089898 is an apocalyptic number.
1089898 is a wasteful number, since it uses less digits than its factorization.
1089898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17612.
The square root of 1089898 is about 1043.9818006077. The cubic root of 1089898 is about 102.9110363878.
The spelling of 1089898 in words is "one million, eighty-nine thousand, eight hundred ninety-eight".