It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-9966797 is a prime.
It is a Duffinian number.
It is a congruent number.
Almost surely, 29966797 is an apocalyptic number.
9966797 is the 1688-th centered heptagonal number.
It is an amenable number.
9966797 is a wasteful number, since it uses less digits than its factorization.
9966797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1707.
The square root of 9966797 is about 3157.0234398876. The cubic root of 9966797 is about 215.2047589616.
The spelling of 9966797 in words is "nine million, nine hundred sixty-six thousand, seven hundred ninety-seven".