9655776 has 72 divisors (see below), whose sum is σ = 29582280. Its totient is φ = 2969856.

The previous prime is 9655769. The next prime is 9655777. The reversal of 9655776 is 6775569.

It is a happy number.

9655776 is a `hidden beast` number, since 96 + 557 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9655777) 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 11 ways as a sum of consecutive naturals, for example, 2455 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (410865).

Almost surely, 2^9655776 is an apocalyptic number.

9655776 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9655776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14791140).

9655776 is an abundant number, since it is smaller than the sum of its proper divisors (19926504).

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

9655776 is a wasteful number, since it uses less digits than its factorization.

9655776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608 (or 2597 counting only the distinct ones).

The product of its digits is 396900, while the sum is 45.

The square root of 9655776 is about 3107.3744544229. The cubic root of 9655776 is about 212.9425223474.

The spelling of 9655776 in words is "nine million, six hundred fifty-five thousand, seven hundred seventy-six".