380555239 has 2 divisors, whose sum is σ = 380555240. Its totient is φ = 380555238.

The previous prime is 380555207. The next prime is 380555261. The reversal of 380555239 is 932555083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380555239 - 2⁵ = 380555207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380555639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190277619 + 190277620.

It is an arithmetic number, because the mean of its divisors is an integer number (190277620).

Almost surely, 2^380555239 is an apocalyptic number.

380555239 is a deficient number, since it is larger than the sum of its proper divisors (1).

380555239 is an equidigital number, since it uses as much as digits as its factorization.

380555239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 380555239 is about 19507.8250709811. The cubic root of 380555239 is about 724.6682518671.

The spelling of 380555239 in words is "three hundred eighty million, five hundred fifty-five thousand, two hundred thirty-nine".