The square root of 999002449 is 31607.
999002449 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 944200999 = 7 ⋅134885857.
It is a Duffinian number.
Almost surely, 2999002449 is an apocalyptic number.
999002449 is the 31607-th square number.
999002449 is the 15804-th centered octagonal number.
It is an amenable number.
999002449 is an frugal number, since it uses more digits than its factorization.
999002449 is an odious number, because the sum of its binary digits is odd.
The cubic root of 999002449 is about 999.6673723711.
The spelling of 999002449 in words is "nine hundred ninety-nine million, two thousand, four hundred forty-nine".