384198797 has 2 divisors, whose sum is σ = 384198798. Its totient is φ = 384198796.

The previous prime is 384198769. The next prime is 384198811. The reversal of 384198797 is 797891483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376903396 + 7295401 = 19414^2 + 2701^2 .

It is an emirp because it is prime and its reverse (797891483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384198797 - 2¹⁶ = 384133261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384198707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192099398 + 192099399.

It is an arithmetic number, because the mean of its divisors is an integer number (192099399).

Almost surely, 2^384198797 is an apocalyptic number.

It is an amenable number.

384198797 is a deficient number, since it is larger than the sum of its proper divisors (1).

384198797 is an equidigital number, since it uses as much as digits as its factorization.

384198797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 56.

The square root of 384198797 is about 19600.9896944006. The cubic root of 384198797 is about 726.9736453977.

The spelling of 384198797 in words is "three hundred eighty-four million, one hundred ninety-eight thousand, seven hundred ninety-seven".