1384048849 has 4 divisors (see below), whose sum is σ = 1417806180. Its totient is φ = 1350291520.

The previous prime is 1384048843. The next prime is 1384048871. The reversal of 1384048849 is 9488404831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9488404831 = 4909 ⋅1932859.

It can be written as a sum of positive squares in 2 ways, for example, as 59598400 + 1324450449 = 7720^2 + 36393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1384048849 - 2²³ = 1375660241 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1384048843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16878604 + ... + 16878685.

It is an arithmetic number, because the mean of its divisors is an integer number (354451545).

Almost surely, 2^1384048849 is an apocalyptic number.

It is an amenable number.

1384048849 is a deficient number, since it is larger than the sum of its proper divisors (33757331).

1384048849 is an equidigital number, since it uses as much as digits as its factorization.

1384048849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33757330.

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 1384048849 is about 37202.8070043108. The cubic root of 1384048849 is about 1114.4240421921.

The spelling of 1384048849 in words is "one billion, three hundred eighty-four million, forty-eight thousand, eight hundred forty-nine".