9044138 has 4 divisors (see below), whose sum is σ = 13566210. Its totient is φ = 4522068.

The previous prime is 9044137. The next prime is 9044159. The reversal of 9044138 is 8314409.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6538249 + 2505889 = 2557^2 + 1583^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9044138.

It is not an unprimeable number, because it can be changed into a prime (9044137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2261033 + ... + 2261036.

Almost surely, 2^9044138 is an apocalyptic number.

9044138 is a deficient number, since it is larger than the sum of its proper divisors (4522072).

9044138 is a wasteful number, since it uses less digits than its factorization.

9044138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522071.

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

The square root of 9044138 is about 3007.3473361087. The cubic root of 9044138 is about 208.3478677149.

The spelling of 9044138 in words is "nine million, forty-four thousand, one hundred thirty-eight".