1384444049 has 4 divisors (see below), whose sum is σ = 1385009520. Its totient is φ = 1383878580.

The previous prime is 1384444001. The next prime is 1384444057. The reversal of 1384444049 is 9404444831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1384444049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1384443997 and 1384444015.

It is not an unprimeable number, because it can be changed into a prime (1384414049) 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, 279047 + ... + 283964.

It is an arithmetic number, because the mean of its divisors is an integer number (346252380).

Almost surely, 2^1384444049 is an apocalyptic number.

It is an amenable number.

1384444049 is a deficient number, since it is larger than the sum of its proper divisors (565471).

1384444049 is an equidigital number, since it uses as much as digits as its factorization.

1384444049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565470.

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 1384444049 is about 37208.1180523821. The cubic root of 1384444049 is about 1114.5301026271.

The spelling of 1384444049 in words is "one billion, three hundred eighty-four million, four hundred forty-four thousand, forty-nine".