380204089 has 2 divisors, whose sum is σ = 380204090. Its totient is φ = 380204088.

The previous prime is 380204081. The next prime is 380204107. The reversal of 380204089 is 980402083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252333225 + 127870864 = 15885^2 + 11308^2 .

It is an emirp because it is prime and its reverse (980402083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380204089 - 2³ = 380204081 is a prime.

It is not a weakly prime, because it can be changed into another prime (380204081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190102044 + 190102045.

It is an arithmetic number, because the mean of its divisors is an integer number (190102045).

Almost surely, 2^380204089 is an apocalyptic number.

It is an amenable number.

380204089 is a deficient number, since it is larger than the sum of its proper divisors (1).

380204089 is an equidigital number, since it uses as much as digits as its factorization.

380204089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 380204089 is about 19498.8227593360. The cubic root of 380204089 is about 724.4452920626.

The spelling of 380204089 in words is "three hundred eighty million, two hundred four thousand, eighty-nine".