9976239 has 36 divisors (see below), whose sum is σ = 17852016. Its totient is φ = 5256576.

The previous prime is 9976223. The next prime is 9976247. The reversal of 9976239 is 9326799.

9976239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9976239 - 2⁴ = 9976223 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9976194 and 9976203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9976259) 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 35 ways as a sum of consecutive naturals, for example, 10179 + ... + 11115.

Almost surely, 2^9976239 is an apocalyptic number.

9976239 is a deficient number, since it is larger than the sum of its proper divisors (7875777).

9976239 is a wasteful number, since it uses less digits than its factorization.

9976239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 960 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 9976239 is about 3158.5184818202. The cubic root of 9976239 is about 215.2726952643.

The spelling of 9976239 in words is "nine million, nine hundred seventy-six thousand, two hundred thirty-nine".