3838144447 has 4 divisors (see below), whose sum is σ = 3839241136. Its totient is φ = 3837047760.

The previous prime is 3838144423. The next prime is 3838144477. The reversal of 3838144447 is 7444418383.

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

It is a cyclic number.

It is not a de Polignac number, because 3838144447 - 2⁷ = 3838144319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3838144397 and 3838144406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838144477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543078 + ... + 550099.

It is an arithmetic number, because the mean of its divisors is an integer number (959810284).

Almost surely, 2^3838144447 is an apocalyptic number.

3838144447 is a deficient number, since it is larger than the sum of its proper divisors (1096689).

3838144447 is a wasteful number, since it uses less digits than its factorization.

3838144447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096688.

The product of its digits is 1032192, while the sum is 46.

The square root of 3838144447 is about 61952.7598013196. The cubic root of 3838144447 is about 1565.6947851211.

It can be divided in two parts, 38381 and 44447, that added together give a palindrome (82828).

The spelling of 3838144447 in words is "three billion, eight hundred thirty-eight million, one hundred forty-four thousand, four hundred forty-seven".