368598821 has 2 divisors, whose sum is σ = 368598822. Its totient is φ = 368598820.

The previous prime is 368598809. The next prime is 368598823. The reversal of 368598821 is 128895863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281904100 + 86694721 = 16790^2 + 9311^2 .

It is a cyclic number.

It is not a de Polignac number, because 368598821 - 2¹⁸ = 368336677 is a prime.

Together with 368598823, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 368598821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368598823) 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, 184299410 + 184299411.

It is an arithmetic number, because the mean of its divisors is an integer number (184299411).

Almost surely, 2^368598821 is an apocalyptic number.

It is an amenable number.

368598821 is a deficient number, since it is larger than the sum of its proper divisors (1).

368598821 is an equidigital number, since it uses as much as digits as its factorization.

368598821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 50.

The square root of 368598821 is about 19198.9276002593. The cubic root of 368598821 is about 716.9980599934.

The spelling of 368598821 in words is "three hundred sixty-eight million, five hundred ninety-eight thousand, eight hundred twenty-one".