9821896 has 16 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 4209360.

The previous prime is 9821893. The next prime is 9821899. The reversal of 9821896 is 6981289.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9821893) and next prime (9821899).

It is not an unprimeable number, because it can be changed into a prime (9821893) 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, 87640 + ... + 87751.

It is an arithmetic number, because the mean of its divisors is an integer number (1315440).

Almost surely, 2^9821896 is an apocalyptic number.

It is an amenable number.

9821896 is an abundant number, since it is smaller than the sum of its proper divisors (11225144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9821896 is a wasteful number, since it uses less digits than its factorization.

9821896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175404 (or 175400 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 9821896 is about 3133.9904275540. The cubic root of 9821896 is about 214.1567547449.

The spelling of 9821896 in words is "nine million, eight hundred twenty-one thousand, eight hundred ninety-six".