380040403 has 2 divisors, whose sum is σ = 380040404. Its totient is φ = 380040402.

The previous prime is 380040379. The next prime is 380040421. The reversal of 380040403 is 304040083.

It is a strong prime.

It is an emirp because it is prime and its reverse (304040083) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380040403 is a prime.

It is not a weakly prime, because it can be changed into another prime (380040103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190020201 + 190020202.

It is an arithmetic number, because the mean of its divisors is an integer number (190020202).

Almost surely, 2^380040403 is an apocalyptic number.

380040403 is a deficient number, since it is larger than the sum of its proper divisors (1).

380040403 is an equidigital number, since it uses as much as digits as its factorization.

380040403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 380040403 is about 19494.6249771572. The cubic root of 380040403 is about 724.3413140704.

Adding to 380040403 its reverse (304040083), we get a palindrome (684080486).

The spelling of 380040403 in words is "three hundred eighty million, forty thousand, four hundred three".