9924842 has 4 divisors (see below), whose sum is σ = 14887266. Its totient is φ = 4962420.

The previous prime is 9924841. The next prime is 9924847. The reversal of 9924842 is 2484299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2484299 = 23 ⋅108013.

It can be written as a sum of positive squares in only one way, i.e., 9186961 + 737881 = 3031^2 + 859^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9924796 and 9924805.

It is not an unprimeable number, because it can be changed into a prime (9924841) 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 as a sum of consecutive naturals, namely, 2481209 + ... + 2481212.

Almost surely, 2^9924842 is an apocalyptic number.

9924842 is a deficient number, since it is larger than the sum of its proper divisors (4962424).

9924842 is a wasteful number, since it uses less digits than its factorization.

9924842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962423.

The product of its digits is 41472, while the sum is 38.

The square root of 9924842 is about 3150.3717240986. The cubic root of 9924842 is about 214.9023677863.

The spelling of 9924842 in words is "nine million, nine hundred twenty-four thousand, eight hundred forty-two".