368383993 has 2 divisors, whose sum is σ = 368383994. Its totient is φ = 368383992.

The previous prime is 368383937. The next prime is 368384011. The reversal of 368383993 is 399383863.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296252944 + 72131049 = 17212^2 + 8493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368383993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 368383993.

It is not a weakly prime, because it can be changed into another prime (368383903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184191996 + 184191997.

It is an arithmetic number, because the mean of its divisors is an integer number (184191997).

Almost surely, 2^368383993 is an apocalyptic number.

It is an amenable number.

368383993 is a deficient number, since it is larger than the sum of its proper divisors (1).

368383993 is an equidigital number, since it uses as much as digits as its factorization.

368383993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 52.

The square root of 368383993 is about 19193.3319931689. The cubic root of 368383993 is about 716.8587385194.

The spelling of 368383993 in words is "three hundred sixty-eight million, three hundred eighty-three thousand, nine hundred ninety-three".