9729868 has 12 divisors (see below), whose sum is σ = 17423560. Its totient is φ = 4751712.

The previous prime is 9729859. The next prime is 9729869. The reversal of 9729868 is 8689279.

It is a happy number.

9729868 is digitally balanced in base 2, because in such base 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 (9729869) 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, 28113 + ... + 28456.

Almost surely, 2^9729868 is an apocalyptic number.

It is an amenable number.

9729868 is a deficient number, since it is larger than the sum of its proper divisors (7693692).

9729868 is a wasteful number, since it uses less digits than its factorization.

9729868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56616 (or 56614 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 9729868 is about 3119.2736333961. The cubic root of 9729868 is about 213.4857948782.

The spelling of 9729868 in words is "nine million, seven hundred twenty-nine thousand, eight hundred sixty-eight".