89491612 is an admirable number.
It is a plaindrome in base 16.
It is a congruent number.
It is an unprimeable number.
It is an upside-down number.
Almost surely, 289491612 is an apocalyptic number.
It is an amenable number.
89491612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89491612 is a wasteful number, since it uses less digits than its factorization.
89491612 is an evil number, because the sum of its binary digits is even.
The square root of 89491612 is about 9460.0006342495. Note that the first 3 decimals coincide. The cubic root of 89491612 is about 447.2950688229.
The spelling of 89491612 in words is "eighty-nine million, four hundred ninety-one thousand, six hundred twelve".