368640017 has 2 divisors, whose sum is σ = 368640018. Its totient is φ = 368640016.

The previous prime is 368639983. The next prime is 368640031. The reversal of 368640017 is 710046863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368601601 + 38416 = 19199^2 + 196^2 .

It is an emirp because it is prime and its reverse (710046863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 368640017 - 2²⁴ = 351862801 is a prime.

It is not a weakly prime, because it can be changed into another prime (368640037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184320008 + 184320009.

It is an arithmetic number, because the mean of its divisors is an integer number (184320009).

Almost surely, 2^368640017 is an apocalyptic number.

It is an amenable number.

368640017 is a deficient number, since it is larger than the sum of its proper divisors (1).

368640017 is an equidigital number, since it uses as much as digits as its factorization.

368640017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 368640017 is about 19200.0004427083. Note that the first 3 decimals coincide. The cubic root of 368640017 is about 717.0247704711.

The spelling of 368640017 in words is "three hundred sixty-eight million, six hundred forty thousand, seventeen".