9923852385 has 24 divisors (see below), whose sum is σ = 17209408320. Its totient is φ = 5290240032.

The previous prime is 9923852311. The next prime is 9923852387. The reversal of 9923852385 is 5832583299.

9923852385 is a `hidden beast` number, since 9 + 9 + 2 + 38 + 523 + 85 = 666.

It is not a de Polignac number, because 9923852385 - 2¹¹ = 9923850337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9923852387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47452 + ... + 148658.

It is an arithmetic number, because the mean of its divisors is an integer number (717058680).

Almost surely, 2^9923852385 is an apocalyptic number.

It is an amenable number.

9923852385 is a deficient number, since it is larger than the sum of its proper divisors (7285555935).

9923852385 is a wasteful number, since it uses less digits than its factorization.

9923852385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103397 (or 103394 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 9923852385 is about 99618.5343447694. The cubic root of 9923852385 is about 2148.9522484549.

The spelling of 9923852385 in words is "nine billion, nine hundred twenty-three million, eight hundred fifty-two thousand, three hundred eighty-five".