380497769 has 2 divisors, whose sum is σ = 380497770. Its totient is φ = 380497768.

The previous prime is 380497739. The next prime is 380497783. The reversal of 380497769 is 967794083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371718400 + 8779369 = 19280^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 380497769 - 2¹⁶ = 380432233 is a prime.

It is a super-2 number, since 2×380497769² = 289557104427954722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380497769.

It is not a weakly prime, because it can be changed into another prime (380497739) 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, 190248884 + 190248885.

It is an arithmetic number, because the mean of its divisors is an integer number (190248885).

Almost surely, 2^380497769 is an apocalyptic number.

It is an amenable number.

380497769 is a deficient number, since it is larger than the sum of its proper divisors (1).

380497769 is an equidigital number, since it uses as much as digits as its factorization.

380497769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 380497769 is about 19506.3520167150. The cubic root of 380497769 is about 724.6317711526.

The spelling of 380497769 in words is "three hundred eighty million, four hundred ninety-seven thousand, seven hundred sixty-nine".