9840938395 has 4 divisors (see below), whose sum is σ = 11809126080. Its totient is φ = 7872750712.

The previous prime is 9840938357. The next prime is 9840938407. The reversal of 9840938395 is 5938390489.

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

It is a cyclic number.

It is not a de Polignac number, because 9840938395 - 2¹⁹ = 9840414107 is a prime.

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, 984093835 + ... + 984093844.

It is an arithmetic number, because the mean of its divisors is an integer number (2952281520).

Almost surely, 2^9840938395 is an apocalyptic number.

9840938395 is a deficient number, since it is larger than the sum of its proper divisors (1968187685).

9840938395 is a wasteful number, since it uses less digits than its factorization.

9840938395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968187684.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The square root of 9840938395 is about 99201.5039956552. The cubic root of 9840938395 is about 2142.9506561275.

The spelling of 9840938395 in words is "nine billion, eight hundred forty million, nine hundred thirty-eight thousand, three hundred ninety-five".