380736217 has 2 divisors, whose sum is σ = 380736218. Its totient is φ = 380736216.

The previous prime is 380736149. The next prime is 380736229. The reversal of 380736217 is 712637083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353026521 + 27709696 = 18789^2 + 5264^2 .

It is a cyclic number.

It is not a de Polignac number, because 380736217 - 2¹⁹ = 380211929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (380736247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190368108 + 190368109.

It is an arithmetic number, because the mean of its divisors is an integer number (190368109).

Almost surely, 2^380736217 is an apocalyptic number.

It is an amenable number.

380736217 is a deficient number, since it is larger than the sum of its proper divisors (1).

380736217 is an equidigital number, since it uses as much as digits as its factorization.

380736217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 380736217 is about 19512.4631197601. The cubic root of 380736217 is about 724.7831088034.

The spelling of 380736217 in words is "three hundred eighty million, seven hundred thirty-six thousand, two hundred seventeen".