9996239 has 4 divisors (see below), whose sum is σ = 10905000. Its totient is φ = 9087480.

The previous prime is 9996211. The next prime is 9996241. The reversal of 9996239 is 9326999.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9996239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9996193 and 9996202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996209) by changing a digit.

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, 454364 + ... + 454385.

It is an arithmetic number, because the mean of its divisors is an integer number (2726250).

Almost surely, 2^9996239 is an apocalyptic number.

9996239 is a deficient number, since it is larger than the sum of its proper divisors (908761).

9996239 is a wasteful number, since it uses less digits than its factorization.

9996239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908760.

The product of its digits is 236196, while the sum is 47.

The square root of 9996239 is about 3161.6829379304. The cubic root of 9996239 is about 215.4164561868.

It can be divided in two parts, 99962 and 39, that added together give a palindrome (100001).

The spelling of 9996239 in words is "nine million, nine hundred ninety-six thousand, two hundred thirty-nine".