It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-8506401 is a prime.
It is a Curzon number.
8506401 is a lucky number.
Almost surely, 28506401 is an apocalyptic number.
It is an amenable number.
8506401 is a wasteful number, since it uses less digits than its factorization.
8506401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9375.
The square root of 8506401 is about 2916.5735032740. The cubic root of 8506401 is about 204.1339710150.
The spelling of 8506401 in words is "eight million, five hundred six thousand, four hundred one".