4144393 has 8 divisors (see below), whose sum is σ = 4718016. Its totient is φ = 3603600.

The previous prime is 4144373. The next prime is 4144409. The reversal of 4144393 is 3934414.

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

It is a de Polignac number, because none of the positive numbers 2^k-4144393 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4144363) 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, 7938 + ... + 8443.

It is an arithmetic number, because the mean of its divisors is an integer number (589752).

Almost surely, 2^4144393 is an apocalyptic number.

It is an amenable number.

4144393 is a deficient number, since it is larger than the sum of its proper divisors (573623).

4144393 is a wasteful number, since it uses less digits than its factorization.

4144393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16415.

The product of its digits is 5184, while the sum is 28.

The square root of 4144393 is about 2035.7782295722. The cubic root of 4144393 is about 160.6276518006.

The spelling of 4144393 in words is "four million, one hundred forty-four thousand, three hundred ninety-three".