1384294369 has 2 divisors, whose sum is σ = 1384294370. Its totient is φ = 1384294368.

The previous prime is 1384294297. The next prime is 1384294393. The reversal of 1384294369 is 9634924831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1203257344 + 181037025 = 34688^2 + 13455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1384294369 - 2⁹ = 1384293857 is a prime.

It is a super-2 number, since 2×1384294369² = 3832541800090216322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1384294069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692147184 + 692147185.

It is an arithmetic number, because the mean of its divisors is an integer number (692147185).

Almost surely, 2^1384294369 is an apocalyptic number.

It is an amenable number.

1384294369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384294369 is an equidigital number, since it uses as much as digits as its factorization.

1384294369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 49.

The square root of 1384294369 is about 37206.1066089963. The cubic root of 1384294369 is about 1114.4899351490.

The spelling of 1384294369 in words is "one billion, three hundred eighty-four million, two hundred ninety-four thousand, three hundred sixty-nine".