9138044 has 24 divisors (see below), whose sum is σ = 17217648. Its totient is φ = 4227840.

The previous prime is 9138043. The next prime is 9138047. The reversal of 9138044 is 4408319.

It is a junction number, because it is equal to n+sod(n) for n = 9137998 and 9138016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138043) 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, 3047 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (717402).

Almost surely, 2^9138044 is an apocalyptic number.

It is an amenable number.

9138044 is a deficient number, since it is larger than the sum of its proper divisors (8079604).

9138044 is a wasteful number, since it uses less digits than its factorization.

9138044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 9138044 is about 3022.9197806095. The cubic root of 9138044 is about 209.0664837367.

The spelling of 9138044 in words is "nine million, one hundred thirty-eight thousand, forty-four".