9940266 has 32 divisors (see below), whose sum is σ = 25246080. Its totient is φ = 2839968.

The previous prime is 9940247. The next prime is 9940279. The reversal of 9940266 is 6620499.

It is a self number, because there is not a number n which added to its sum of digits gives 9940266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12771 + ... + 13526.

It is an arithmetic number, because the mean of its divisors is an integer number (788940).

Almost surely, 2^9940266 is an apocalyptic number.

9940266 is an abundant number, since it is smaller than the sum of its proper divisors (15305814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9940266 is a wasteful number, since it uses less digits than its factorization.

9940266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26315 (or 26309 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 9940266 is about 3152.8187388431. The cubic root of 9940266 is about 215.0136353350.

The spelling of 9940266 in words is "nine million, nine hundred forty thousand, two hundred sixty-six".