1384894297 has 2 divisors, whose sum is σ = 1384894298. Its totient is φ = 1384894296.

The previous prime is 1384894289. The next prime is 1384894319. The reversal of 1384894297 is 7924984831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1378191376 + 6702921 = 37124^2 + 2589^2 .

It is a cyclic number.

It is not a de Polignac number, because 1384894297 - 2³ = 1384894289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1384894207) 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 as a sum of consecutive naturals, namely, 692447148 + 692447149.

It is an arithmetic number, because the mean of its divisors is an integer number (692447149).

Almost surely, 2^1384894297 is an apocalyptic number.

It is an amenable number.

1384894297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384894297 is an equidigital number, since it uses as much as digits as its factorization.

1384894297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 55.

The square root of 1384894297 is about 37214.1679606034. The cubic root of 1384894297 is about 1114.6509117851.

The spelling of 1384894297 in words is "one billion, three hundred eighty-four million, eight hundred ninety-four thousand, two hundred ninety-seven".