380690797 has 2 divisors, whose sum is σ = 380690798. Its totient is φ = 380690796.

The previous prime is 380690789. The next prime is 380690803. The reversal of 380690797 is 797096083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339075396 + 41615401 = 18414^2 + 6451^2 .

It is a cyclic number.

It is not a de Polignac number, because 380690797 - 2³ = 380690789 is a prime.

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 380690797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380690747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190345398 + 190345399.

It is an arithmetic number, because the mean of its divisors is an integer number (190345399).

Almost surely, 2^380690797 is an apocalyptic number.

It is an amenable number.

380690797 is a deficient number, since it is larger than the sum of its proper divisors (1).

380690797 is an equidigital number, since it uses as much as digits as its factorization.

380690797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 380690797 is about 19511.2992135327. The cubic root of 380690797 is about 724.7542866106.

The spelling of 380690797 in words is "three hundred eighty million, six hundred ninety thousand, seven hundred ninety-seven".