380399441 has 2 divisors, whose sum is σ = 380399442. Its totient is φ = 380399440.

The previous prime is 380399389. The next prime is 380399449. The reversal of 380399441 is 144993083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227135041 + 153264400 = 15071^2 + 12380^2 .

It is a cyclic number.

It is not a de Polignac number, because 380399441 - 2⁶ = 380399377 is a prime.

It is a super-2 number, since 2×380399441² = 289407469426224962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (380399449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190199720 + 190199721.

It is an arithmetic number, because the mean of its divisors is an integer number (190199721).

Almost surely, 2^380399441 is an apocalyptic number.

It is an amenable number.

380399441 is a deficient number, since it is larger than the sum of its proper divisors (1).

380399441 is an equidigital number, since it uses as much as digits as its factorization.

380399441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 380399441 is about 19503.8314441035. The cubic root of 380399441 is about 724.5693461425.

The spelling of 380399441 in words is "three hundred eighty million, three hundred ninety-nine thousand, four hundred forty-one".