380411021 has 2 divisors, whose sum is σ = 380411022. Its totient is φ = 380411020.

The previous prime is 380410967. The next prime is 380411063. The reversal of 380411021 is 120114083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370986121 + 9424900 = 19261^2 + 3070^2 .

It is an emirp because it is prime and its reverse (120114083) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380411021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380410984 and 380411002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380411081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190205510 + 190205511.

It is an arithmetic number, because the mean of its divisors is an integer number (190205511).

Almost surely, 2^380411021 is an apocalyptic number.

It is an amenable number.

380411021 is a deficient number, since it is larger than the sum of its proper divisors (1).

380411021 is an equidigital number, since it uses as much as digits as its factorization.

380411021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 380411021 is about 19504.1283065919. The cubic root of 380411021 is about 724.5766984385.

The spelling of 380411021 in words is "three hundred eighty million, four hundred eleven thousand, twenty-one".