9839938 has 8 divisors (see below), whose sum is σ = 14837760. Its totient is φ = 4894020.

The previous prime is 9839917. The next prime is 9839939. The reversal of 9839938 is 8399389.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9839891 and 9839900.

It is not an unprimeable number, because it can be changed into a prime (9839939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12498 + ... + 13261.

It is an arithmetic number, because the mean of its divisors is an integer number (1854720).

Almost surely, 2^9839938 is an apocalyptic number.

9839938 is a deficient number, since it is larger than the sum of its proper divisors (4997822).

9839938 is a wasteful number, since it uses less digits than its factorization.

9839938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25952.

The product of its digits is 419904, while the sum is 49.

The square root of 9839938 is about 3136.8675458170. The cubic root of 9839938 is about 214.2878038738.

The spelling of 9839938 in words is "nine million, eight hundred thirty-nine thousand, nine hundred thirty-eight".