9738689 has 8 divisors (see below), whose sum is σ = 10041192. Its totient is φ = 9439360.

The previous prime is 9738667. The next prime is 9738709. The reversal of 9738689 is 9868379.

It can be written as a sum of positive squares in 4 ways, for example, as 3940225 + 5798464 = 1985^2 + 2408^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9738689 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9738649) 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, 6407 + ... + 7779.

It is an arithmetic number, because the mean of its divisors is an integer number (1255149).

Almost surely, 2^9738689 is an apocalyptic number.

It is an amenable number.

9738689 is a deficient number, since it is larger than the sum of its proper divisors (302503).

9738689 is a wasteful number, since it uses less digits than its factorization.

9738689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its digits is 653184, while the sum is 50.

The square root of 9738689 is about 3120.6872640494. The cubic root of 9738689 is about 213.5502900799.

The spelling of 9738689 in words is "nine million, seven hundred thirty-eight thousand, six hundred eighty-nine".