384716393 has 2 divisors, whose sum is σ = 384716394. Its totient is φ = 384716392.

The previous prime is 384716383. The next prime is 384716483. The reversal of 384716393 is 393617483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384630544 + 85849 = 19612^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 384716393 - 2⁶ = 384716329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (384716363) 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, 192358196 + 192358197.

It is an arithmetic number, because the mean of its divisors is an integer number (192358197).

Almost surely, 2^384716393 is an apocalyptic number.

It is an amenable number.

384716393 is a deficient number, since it is larger than the sum of its proper divisors (1).

384716393 is an equidigital number, since it uses as much as digits as its factorization.

384716393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 384716393 is about 19614.1885633844. The cubic root of 384716393 is about 727.2999606672.

The spelling of 384716393 in words is "three hundred eighty-four million, seven hundred sixteen thousand, three hundred ninety-three".