384428683 has 2 divisors, whose sum is σ = 384428684. Its totient is φ = 384428682.

The previous prime is 384428677. The next prime is 384428687. The reversal of 384428683 is 386824483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 384428683 - 2⁹ = 384428171 is a prime.

It is a super-2 number, since 2×384428683² = 295570824626228978, which contains 22 as substring.

It is a zygodrome in base 9.

It is not a weakly prime, because it can be changed into another prime (384428687) 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, 192214341 + 192214342.

It is an arithmetic number, because the mean of its divisors is an integer number (192214342).

Almost surely, 2^384428683 is an apocalyptic number.

384428683 is a deficient number, since it is larger than the sum of its proper divisors (1).

384428683 is an equidigital number, since it uses as much as digits as its factorization.

384428683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 884736, while the sum is 46.

The square root of 384428683 is about 19606.8529601260. The cubic root of 384428683 is about 727.1186117913.

The spelling of 384428683 in words is "three hundred eighty-four million, four hundred twenty-eight thousand, six hundred eighty-three".