It is an unprimeable number.
Almost surely, 2239606664 is an apocalyptic number.
239606664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 239606664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334350720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
239606664 is a wasteful number, since it uses less digits than its factorization.
239606664 is an odious number, because the sum of its binary digits is odd.
The square root of 239606664 is about 15479.2333143473. The cubic root of 239606664 is about 621.1068193313.
The spelling of 239606664 in words is "two hundred thirty-nine million, six hundred six thousand, six hundred sixty-four".