380943349 has 2 divisors, whose sum is σ = 380943350. Its totient is φ = 380943348.

The previous prime is 380943289. The next prime is 380943371. The reversal of 380943349 is 943349083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338302449 + 42640900 = 18393^2 + 6530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380943349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380943389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190471674 + 190471675.

It is an arithmetic number, because the mean of its divisors is an integer number (190471675).

Almost surely, 2^380943349 is an apocalyptic number.

It is an amenable number.

380943349 is a deficient number, since it is larger than the sum of its proper divisors (1).

380943349 is an equidigital number, since it uses as much as digits as its factorization.

380943349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 380943349 is about 19517.7700826708. The cubic root of 380943349 is about 724.9145196088.

The spelling of 380943349 in words is "three hundred eighty million, nine hundred forty-three thousand, three hundred forty-nine".