9839913 has 8 divisors (see below), whose sum is σ = 13135776. Its totient is φ = 6552000.

The previous prime is 9839911. The next prime is 9839917. The reversal of 9839913 is 3199389.

It is a happy number.

9839913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9839913 - 2¹ = 9839911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9839911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (1641972).

Almost surely, 2^9839913 is an apocalyptic number.

It is an amenable number.

9839913 is a deficient number, since it is larger than the sum of its proper divisors (3295863).

9839913 is a wasteful number, since it uses less digits than its factorization.

9839913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975.

The product of its digits is 52488, while the sum is 42.

The square root of 9839913 is about 3136.8635609475. The cubic root of 9839913 is about 214.2876223957.

It can be divided in two parts, 983 and 9913, that multiplied together give a palindrome (9744479).

The spelling of 9839913 in words is "nine million, eight hundred thirty-nine thousand, nine hundred thirteen".