9899044 has 24 divisors (see below), whose sum is σ = 18088448. Its totient is φ = 4734720.

The previous prime is 9899041. The next prime is 9899069. The reversal of 9899044 is 4409989.

It is a super-2 number, since 2×9899044² = 195982144227872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9899041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11617 + ... + 12439.

Almost surely, 2^9899044 is an apocalyptic number.

It is an amenable number.

9899044 is a deficient number, since it is larger than the sum of its proper divisors (8189404).

9899044 is a wasteful number, since it uses less digits than its factorization.

9899044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 9899044 is about 3146.2746224702. The cubic root of 9899044 is about 214.7160050596.

The spelling of 9899044 in words is "nine million, eight hundred ninety-nine thousand, forty-four".