9689928 has 32 divisors (see below), whose sum is σ = 24334560. Its totient is φ = 3215360.

The previous prime is 9689891. The next prime is 9689929. The reversal of 9689928 is 8299869.

9689928 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9689929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5383 + ... + 6953.

It is an arithmetic number, because the mean of its divisors is an integer number (760455).

Almost surely, 2^9689928 is an apocalyptic number.

It is an amenable number.

9689928 is an abundant number, since it is smaller than the sum of its proper divisors (14644632).

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

9689928 is a wasteful number, since it uses less digits than its factorization.

9689928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837 (or 1833 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 9689928 is about 3112.8649183670. The cubic root of 9689928 is about 213.1932826446.

It can be divided in two parts, 96899 and 28, that multiplied together give a palindrome (2713172).

The spelling of 9689928 in words is "nine million, six hundred eighty-nine thousand, nine hundred twenty-eight".