9439144 has 64 divisors (see below), whose sum is σ = 21450240. Its totient is φ = 3836160.

The previous prime is 9439121. The next prime is 9439147. The reversal of 9439144 is 4419349.

It is not an unprimeable number, because it can be changed into a prime (9439147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42217 + ... + 42439.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 2^9439144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9439144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10725120).

9439144 is an abundant number, since it is smaller than the sum of its proper divisors (12011096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9439144 is a wasteful number, since it uses less digits than its factorization.

9439144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 286 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 9439144 is about 3072.3189938546. The cubic root of 9439144 is about 211.3379727664.

The spelling of 9439144 in words is "nine million, four hundred thirty-nine thousand, one hundred forty-four".