9856424 has 16 divisors (see below), whose sum is σ = 18517920. Its totient is φ = 4918320.

The previous prime is 9856423. The next prime is 9856439. The reversal of 9856424 is 4246589.

It is not an unprimeable number, because it can be changed into a prime (9856423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637 + ... + 6419.

It is an arithmetic number, because the mean of its divisors is an integer number (1157370).

Almost surely, 2^9856424 is an apocalyptic number.

It is an amenable number.

9856424 is a deficient number, since it is larger than the sum of its proper divisors (8661496).

9856424 is a wasteful number, since it uses less digits than its factorization.

9856424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480 (or 2476 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 9856424 is about 3139.4942267824. The cubic root of 9856424 is about 214.4074109156.

The spelling of 9856424 in words is "nine million, eight hundred fifty-six thousand, four hundred twenty-four".