9688940 has 12 divisors (see below), whose sum is σ = 20346816. Its totient is φ = 3875568.

The previous prime is 9688933. The next prime is 9688951. The reversal of 9688940 is 498869.

It is a junction number, because it is equal to n+sod(n) for n = 9688891 and 9688900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242204 + ... + 242243.

It is an arithmetic number, because the mean of its divisors is an integer number (1695568).

Almost surely, 2^9688940 is an apocalyptic number.

It is an amenable number.

9688940 is an abundant number, since it is smaller than the sum of its proper divisors (10657876).

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

9688940 is a wasteful number, since it uses less digits than its factorization.

9688940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484456 (or 484454 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 9688940 is about 3112.7062180681. The cubic root of 9688940 is about 213.1860365597.

The spelling of 9688940 in words is "nine million, six hundred eighty-eight thousand, nine hundred forty".