9907385 has 4 divisors (see below), whose sum is σ = 11888868. Its totient is φ = 7925904.

The previous prime is 9907367. The next prime is 9907423. The reversal of 9907385 is 5837099.

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 1915456 + 7991929 = 1384^2 + 2827^2 .

It is a cyclic number.

It is not a de Polignac number, because 9907385 - 2¹⁰ = 9906361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990734 + ... + 990743.

It is an arithmetic number, because the mean of its divisors is an integer number (2972217).

Almost surely, 2^9907385 is an apocalyptic number.

It is an amenable number.

9907385 is a deficient number, since it is larger than the sum of its proper divisors (1981483).

9907385 is a wasteful number, since it uses less digits than its factorization.

9907385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981482.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 9907385 is about 3147.5998792731. The cubic root of 9907385 is about 214.7762951715.

The spelling of 9907385 in words is "nine million, nine hundred seven thousand, three hundred eighty-five".