384420067 has 2 divisors, whose sum is σ = 384420068. Its totient is φ = 384420066.

The previous prime is 384420053. The next prime is 384420073. The reversal of 384420067 is 760024483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 384420067 - 2⁷ = 384419939 is a prime.

It is not a weakly prime, because it can be changed into another prime (384420007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192210033 + 192210034.

It is an arithmetic number, because the mean of its divisors is an integer number (192210034).

Almost surely, 2^384420067 is an apocalyptic number.

384420067 is a deficient number, since it is larger than the sum of its proper divisors (1).

384420067 is an equidigital number, since it uses as much as digits as its factorization.

384420067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 384420067 is about 19606.6332397992. The cubic root of 384420067 is about 727.1131795737.

The spelling of 384420067 in words is "three hundred eighty-four million, four hundred twenty thousand, sixty-seven".