9999044 has 12 divisors (see below), whose sum is σ = 19089168. Its totient is φ = 4545000.

The previous prime is 9998977. The next prime is 9999047. The reversal of 9999044 is 4409999.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 227251 = 9999044 / (9 + 9 + 9 + 9 + 0 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 9998986 and 9999004.

It is not an unprimeable number, because it can be changed into a prime (9999047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113582 + ... + 113669.

It is an arithmetic number, because the mean of its divisors is an integer number (1590764).

Almost surely, 2^9999044 is an apocalyptic number.

It is an amenable number.

9999044 is a deficient number, since it is larger than the sum of its proper divisors (9090124).

9999044 is a wasteful number, since it uses less digits than its factorization.

9999044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227266 (or 227264 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 9999044 is about 3162.1264996834. The cubic root of 9999044 is about 215.4366033192.

The spelling of 9999044 in words is "nine million, nine hundred ninety-nine thousand, forty-four".