9838645 has 4 divisors (see below), whose sum is σ = 11806380. Its totient is φ = 7870912.

The previous prime is 9838639. The next prime is 9838657. The reversal of 9838645 is 5468389.

9838645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4297329 + 5541316 = 2073^2 + 2354^2 .

It is a cyclic number.

It is not a de Polignac number, because 9838645 - 2⁹ = 9838133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983860 + ... + 983869.

It is an arithmetic number, because the mean of its divisors is an integer number (2951595).

Almost surely, 2^9838645 is an apocalyptic number.

It is an amenable number.

9838645 is a deficient number, since it is larger than the sum of its proper divisors (1967735).

9838645 is a wasteful number, since it uses less digits than its factorization.

9838645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967734.

The product of its digits is 207360, while the sum is 43.

The square root of 9838645 is about 3136.6614417243. The cubic root of 9838645 is about 214.2784174235.

The spelling of 9838645 in words is "nine million, eight hundred thirty-eight thousand, six hundred forty-five".