9281648 has 20 divisors (see below), whose sum is σ = 18564288. Its totient is φ = 4490880.

The previous prime is 9281647. The next prime is 9281651. The reversal of 9281648 is 8461829.

9281648 is an admirable number.

It is a super-2 number, since 2×9281648² = 172297979191808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9281647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8861 + ... + 9852.

Almost surely, 2^9281648 is an apocalyptic number.

It is an amenable number.

9281648 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.

9281648 is a wasteful number, since it uses less digits than its factorization.

9281648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18752 (or 18746 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 9281648 is about 3046.5797215894. The cubic root of 9281648 is about 210.1559536933.

The spelling of 9281648 in words is "nine million, two hundred eighty-one thousand, six hundred forty-eight".