9655680 has 128 divisors (see below), whose sum is σ = 31726080. Its totient is φ = 2496512.

The previous prime is 9655673. The next prime is 9655687. The reversal of 9655680 is 865569.

It is an interprime number because it is at equal distance from previous prime (9655673) and next prime (9655687).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9655687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90187 + ... + 90293.

It is an arithmetic number, because the mean of its divisors is an integer number (247860).

Almost surely, 2^9655680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9655680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15863040).

9655680 is an abundant number, since it is smaller than the sum of its proper divisors (22070400).

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

9655680 is a wasteful number, since it uses less digits than its factorization.

9655680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 9655680 is about 3107.3590072600. The cubic root of 9655680 is about 212.9418166368.

The spelling of 9655680 in words is "nine million, six hundred fifty-five thousand, six hundred eighty".