9899056 has 20 divisors (see below), whose sum is σ = 19282000. Its totient is φ = 4923072.

The previous prime is 9899041. The next prime is 9899069. The reversal of 9899056 is 6509989.

It is a happy number.

It is a super-2 number, since 2×9899056² = 195982619382272, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9898997 and 9899015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630 + ... + 4738.

It is an arithmetic number, because the mean of its divisors is an integer number (964100).

Almost surely, 2^9899056 is an apocalyptic number.

It is an amenable number.

9899056 is a deficient number, since it is larger than the sum of its proper divisors (9382944).

9899056 is a wasteful number, since it uses less digits than its factorization.

9899056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3310 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 9899056 is about 3146.2765294869. The cubic root of 9899056 is about 214.7160918219.

The spelling of 9899056 in words is "nine million, eight hundred ninety-nine thousand, fifty-six".