9738865 has 4 divisors (see below), whose sum is σ = 11686644. Its totient is φ = 7791088.

The previous prime is 9738851. The next prime is 9738871. The reversal of 9738865 is 5688379.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2405601 + 7333264 = 1551^2 + 2708^2 .

It is a cyclic number.

It is not a de Polignac number, because 9738865 - 2⁷ = 9738737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973882 + ... + 973891.

It is an arithmetic number, because the mean of its divisors is an integer number (2921661).

Almost surely, 2^9738865 is an apocalyptic number.

It is an amenable number.

9738865 is a deficient number, since it is larger than the sum of its proper divisors (1947779).

9738865 is a wasteful number, since it uses less digits than its factorization.

9738865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947778.

The product of its digits is 362880, while the sum is 46.

The square root of 9738865 is about 3120.7154628386. The cubic root of 9738865 is about 213.5515765168.

The spelling of 9738865 in words is "nine million, seven hundred thirty-eight thousand, eight hundred sixty-five".