9975824 has 20 divisors (see below), whose sum is σ = 19512144. Its totient is φ = 4940448.

The previous prime is 9975803. The next prime is 9975827. The reversal of 9975824 is 4285799.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9975827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202 + ... + 4625.

Almost surely, 2^9975824 is an apocalyptic number.

It is an amenable number.

9975824 is a deficient number, since it is larger than the sum of its proper divisors (9536320).

9975824 is a wasteful number, since it uses less digits than its factorization.

9975824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942 (or 5936 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 9975824 is about 3158.4527857798. The cubic root of 9975824 is about 215.2697101912.

The spelling of 9975824 in words is "nine million, nine hundred seventy-five thousand, eight hundred twenty-four".