9688645 has 4 divisors (see below), whose sum is σ = 11626380. Its totient is φ = 7750912.

The previous prime is 9688619. The next prime is 9688649. The reversal of 9688645 is 5468869.

9688645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5303809 + 4384836 = 2303^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 9688645 - 2⁷ = 9688517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9688595 and 9688604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9688649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968860 + ... + 968869.

It is an arithmetic number, because the mean of its divisors is an integer number (2906595).

Almost surely, 2^9688645 is an apocalyptic number.

It is an amenable number.

9688645 is a deficient number, since it is larger than the sum of its proper divisors (1937735).

9688645 is a wasteful number, since it uses less digits than its factorization.

9688645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937734.

The product of its digits is 414720, while the sum is 46.

The square root of 9688645 is about 3112.6588312888. The cubic root of 9688645 is about 213.1838729064.

It can be divided in two parts, 968864 and 5, that added together give a palindrome (968869).

The spelling of 9688645 in words is "nine million, six hundred eighty-eight thousand, six hundred forty-five".