9781268 has 12 divisors (see below), whose sum is σ = 19562592. Its totient is φ = 4191960.

The previous prime is 9781267. The next prime is 9781297. The reversal of 9781268 is 8621879.

9781268 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9781267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174638 + ... + 174693.

It is an arithmetic number, because the mean of its divisors is an integer number (1630216).

Almost surely, 2^9781268 is an apocalyptic number.

It is an amenable number.

9781268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9781268 is a wasteful number, since it uses less digits than its factorization.

9781268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349342 (or 349340 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 9781268 is about 3127.5018784966. The cubic root of 9781268 is about 213.8610621721.

The spelling of 9781268 in words is "nine million, seven hundred eighty-one thousand, two hundred sixty-eight".