380843357 has 2 divisors, whose sum is σ = 380843358. Its totient is φ = 380843356.

The previous prime is 380843347. The next prime is 380843377. The reversal of 380843357 is 753348083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369946756 + 10896601 = 19234^2 + 3301^2 .

It is a cyclic number.

It is not a de Polignac number, because 380843357 - 2⁶ = 380843293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380843347) 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, 190421678 + 190421679.

It is an arithmetic number, because the mean of its divisors is an integer number (190421679).

Almost surely, 2^380843357 is an apocalyptic number.

It is an amenable number.

380843357 is a deficient number, since it is larger than the sum of its proper divisors (1).

380843357 is an equidigital number, since it uses as much as digits as its factorization.

380843357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 380843357 is about 19515.2083514371. The cubic root of 380843357 is about 724.8510876087.

The spelling of 380843357 in words is "three hundred eighty million, eight hundred forty-three thousand, three hundred fifty-seven".