9144447 has 8 divisors (see below), whose sum is σ = 13130544. Its totient is φ = 5627328.

The previous prime is 9144437. The next prime is 9144467. The reversal of 9144447 is 7444419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9144447 - 2⁴ = 9144431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9144427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117198 + ... + 117275.

It is an arithmetic number, because the mean of its divisors is an integer number (1641318).

Almost surely, 2^9144447 is an apocalyptic number.

9144447 is a deficient number, since it is larger than the sum of its proper divisors (3986097).

9144447 is a wasteful number, since it uses less digits than its factorization.

9144447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234489.

The product of its digits is 16128, while the sum is 33.

The square root of 9144447 is about 3023.9786705597. The cubic root of 9144447 is about 209.1153030885.

It can be divided in two parts, 9144 and 447, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 9144447 in words is "nine million, one hundred forty-four thousand, four hundred forty-seven".