9688144 has 10 divisors (see below), whose sum is σ = 18770810. Its totient is φ = 4844064.

The previous prime is 9688141. The next prime is 9688169. The reversal of 9688144 is 4418869.

It can be written as a sum of positive squares in only one way, i.e., 9684544 + 3600 = 3112^2 + 60^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9688097 and 9688106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9688141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302739 + ... + 302770.

It is an arithmetic number, because the mean of its divisors is an integer number (1877081).

Almost surely, 2^9688144 is an apocalyptic number.

It is an amenable number.

9688144 is a deficient number, since it is larger than the sum of its proper divisors (9082666).

9688144 is a wasteful number, since it uses less digits than its factorization.

9688144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605517 (or 605511 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 9688144 is about 3112.5783524275. The cubic root of 9688144 is about 213.1801982625.

The spelling of 9688144 in words is "nine million, six hundred eighty-eight thousand, one hundred forty-four".