384116641 has 2 divisors, whose sum is σ = 384116642. Its totient is φ = 384116640.

The previous prime is 384116639. The next prime is 384116653. The reversal of 384116641 is 146611483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375584400 + 8532241 = 19380^2 + 2921^2 .

It is an emirp because it is prime and its reverse (146611483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384116641 - 2¹ = 384116639 is a prime.

Together with 384116639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 384116597 and 384116606.

It is not a weakly prime, because it can be changed into another prime (384146641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192058320 + 192058321.

It is an arithmetic number, because the mean of its divisors is an integer number (192058321).

Almost surely, 2^384116641 is an apocalyptic number.

It is an amenable number.

384116641 is a deficient number, since it is larger than the sum of its proper divisors (1).

384116641 is an equidigital number, since it uses as much as digits as its factorization.

384116641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 384116641 is about 19598.8938718490. The cubic root of 384116641 is about 726.9218236976.

The spelling of 384116641 in words is "three hundred eighty-four million, one hundred sixteen thousand, six hundred forty-one".