9648840 has 32 divisors (see below), whose sum is σ = 28946880. Its totient is φ = 2572992.

The previous prime is 9648839. The next prime is 9648841. The reversal of 9648840 is 488469.

It is an interprime number because it is at equal distance from previous prime (9648839) and next prime (9648841).

It is a super-2 number, since 2×9648840² = 186200226691200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9648841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40084 + ... + 40323.

It is an arithmetic number, because the mean of its divisors is an integer number (904590).

Almost surely, 2^9648840 is an apocalyptic number.

It is an amenable number.

9648840 is an abundant number, since it is smaller than the sum of its proper divisors (19298040).

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

9648840 is a wasteful number, since it uses less digits than its factorization.

9648840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80421 (or 80417 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 9648840 is about 3106.2581991843. The cubic root of 9648840 is about 212.8915227134.

The spelling of 9648840 in words is "nine million, six hundred forty-eight thousand, eight hundred forty".