380788489 has 2 divisors, whose sum is σ = 380788490. Its totient is φ = 380788488.

The previous prime is 380788477. The next prime is 380788511. The reversal of 380788489 is 984887083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360240400 + 20548089 = 18980^2 + 4533^2 .

It is a cyclic number.

It is not a de Polignac number, because 380788489 - 2¹⁵ = 380755721 is a prime.

It is not a weakly prime, because it can be changed into another prime (380788409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190394244 + 190394245.

It is an arithmetic number, because the mean of its divisors is an integer number (190394245).

Almost surely, 2^380788489 is an apocalyptic number.

It is an amenable number.

380788489 is a deficient number, since it is larger than the sum of its proper divisors (1).

380788489 is an equidigital number, since it uses as much as digits as its factorization.

380788489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The square root of 380788489 is about 19513.8025253921. The cubic root of 380788489 is about 724.8162762364.

The spelling of 380788489 in words is "three hundred eighty million, seven hundred eighty-eight thousand, four hundred eighty-nine".