384485149 has 2 divisors, whose sum is σ = 384485150. Its totient is φ = 384485148.

The previous prime is 384485147. The next prime is 384485173. The reversal of 384485149 is 941584483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223652025 + 160833124 = 14955^2 + 12682^2 .

It is a cyclic number.

It is not a de Polignac number, because 384485149 - 2¹ = 384485147 is a prime.

Together with 384485147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 384485099 and 384485108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384485147) 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, 192242574 + 192242575.

It is an arithmetic number, because the mean of its divisors is an integer number (192242575).

Almost surely, 2^384485149 is an apocalyptic number.

It is an amenable number.

384485149 is a deficient number, since it is larger than the sum of its proper divisors (1).

384485149 is an equidigital number, since it uses as much as digits as its factorization.

384485149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 46.

The square root of 384485149 is about 19608.2928629700. The cubic root of 384485149 is about 727.1542104787.

The spelling of 384485149 in words is "three hundred eighty-four million, four hundred eighty-five thousand, one hundred forty-nine".