9678385 has 4 divisors (see below), whose sum is σ = 11614068. Its totient is φ = 7742704.

The previous prime is 9678379. The next prime is 9678401. The reversal of 9678385 is 5838769.

9678385 is digitally balanced in base 2, 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 3508129 + 6170256 = 1873^2 + 2484^2 .

It is a cyclic number.

It is not a de Polignac number, because 9678385 - 2⁹ = 9677873 is a prime.

It is a super-2 number, since 2×9678385² = 187342272416450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian 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, 967834 + ... + 967843.

It is an arithmetic number, because the mean of its divisors is an integer number (2903517).

Almost surely, 2^9678385 is an apocalyptic number.

It is an amenable number.

9678385 is a deficient number, since it is larger than the sum of its proper divisors (1935683).

9678385 is a wasteful number, since it uses less digits than its factorization.

9678385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935682.

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

The square root of 9678385 is about 3111.0102860646. The cubic root of 9678385 is about 213.1085944378.

The spelling of 9678385 in words is "nine million, six hundred seventy-eight thousand, three hundred eighty-five".