380532389 has 2 divisors, whose sum is σ = 380532390. Its totient is φ = 380532388.

The previous prime is 380532343. The next prime is 380532419. The reversal of 380532389 is 983235083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372876100 + 7656289 = 19310^2 + 2767^2 .

It is an emirp because it is prime and its reverse (983235083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380532389 - 2¹² = 380528293 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 (380532319) 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, 190266194 + 190266195.

It is an arithmetic number, because the mean of its divisors is an integer number (190266195).

Almost surely, 2^380532389 is an apocalyptic number.

It is an amenable number.

380532389 is a deficient number, since it is larger than the sum of its proper divisors (1).

380532389 is an equidigital number, since it uses as much as digits as its factorization.

380532389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 380532389 is about 19507.2393997716. The cubic root of 380532389 is about 724.6537476206.

The spelling of 380532389 in words is "three hundred eighty million, five hundred thirty-two thousand, three hundred eighty-nine".