9966248 has 8 divisors (see below), whose sum is σ = 18686730. Its totient is φ = 4983120.

The previous prime is 9966223. The next prime is 9966251. The reversal of 9966248 is 8426699.

It can be written as a sum of positive squares in only one way, i.e., 7828804 + 2137444 = 2798^2 + 1462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 9966199 and 9966208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622883 + ... + 622898.

Almost surely, 2^9966248 is an apocalyptic number.

It is an amenable number.

9966248 is a deficient number, since it is larger than the sum of its proper divisors (8720482).

9966248 is a wasteful number, since it uses less digits than its factorization.

9966248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245787 (or 1245783 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 9966248 is about 3156.9364897001. The cubic root of 9966248 is about 215.2008075222.

The spelling of 9966248 in words is "nine million, nine hundred sixty-six thousand, two hundred forty-eight".