It is a happy number.
9987004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
Almost surely, 29987004 is an apocalyptic number.
9987004 is the 1999-th heptagonal number.
It is an amenable number.
9987004 is a wasteful number, since it uses less digits than its factorization.
9987004 is an evil number, because the sum of its binary digits is even.
The square root of 9987004 is about 3160.2221440905. Note that the first 3 decimals coincide. The cubic root of 9987004 is about 215.3500984326.
The spelling of 9987004 in words is "nine million, nine hundred eighty-seven thousand, four".