9689889 has 8 divisors (see below), whose sum is σ = 14094432. Its totient is φ = 5872640.

The previous prime is 9689767. The next prime is 9689891. The reversal of 9689889 is 9889869.

9689889 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 a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9689889 - 2⁸ = 9689633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9689189) 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, 146784 + ... + 146849.

It is an arithmetic number, because the mean of its divisors is an integer number (1761804).

Almost surely, 2^9689889 is an apocalyptic number.

It is an amenable number.

9689889 is a deficient number, since it is larger than the sum of its proper divisors (4404543).

9689889 is a wasteful number, since it uses less digits than its factorization.

9689889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293647.

The product of its digits is 2239488, while the sum is 57.

The square root of 9689889 is about 3112.8586540349. The cubic root of 9689889 is about 213.1929966242.

The spelling of 9689889 in words is "nine million, six hundred eighty-nine thousand, eight hundred eighty-nine".