9689680 has 160 divisors (see below), whose sum is σ = 30498048. Its totient is φ = 2787840.

The previous prime is 9689651. The next prime is 9689681. The reversal of 9689680 is 869869.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9689680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9689681) 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 31 ways as a sum of consecutive naturals, for example, 745354 + ... + 745366.

Almost surely, 2^9689680 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 9689680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15249024).

9689680 is an abundant number, since it is smaller than the sum of its proper divisors (20808368).

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

9689680 is a wasteful number, since it uses less digits than its factorization.

9689680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 9689680 is about 3112.8250834250. The cubic root of 9689680 is about 213.1914638355.

It can be divided in two parts, 968 and 9680, that added together give a cube (10648 = 22³).

The spelling of 9689680 in words is "nine million, six hundred eighty-nine thousand, six hundred eighty".