9689856 has 144 divisors (see below), whose sum is σ = 29826048. Its totient is φ = 2764800.

The previous prime is 9689767. The next prime is 9689891. The reversal of 9689856 is 6589869.

It is a junction number, because it is equal to n+sod(n) for n = 9689799 and 9689808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261870 + ... + 261906.

Almost surely, 2^9689856 is an apocalyptic number.

9689856 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 9689856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14913024).

9689856 is an abundant number, since it is smaller than the sum of its proper divisors (20136192).

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

9689856 is a wasteful number, since it uses less digits than its factorization.

9689856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 84 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The square root of 9689856 is about 3112.8533534364. The cubic root of 9689856 is about 213.1927546064.

The spelling of 9689856 in words is "nine million, six hundred eighty-nine thousand, eight hundred fifty-six".