384278941 has 2 divisors, whose sum is σ = 384278942. Its totient is φ = 384278940.

The previous prime is 384278927. The next prime is 384279001. The reversal of 384278941 is 149872483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310816900 + 73462041 = 17630^2 + 8571^2 .

It is a cyclic number.

It is not a de Polignac number, because 384278941 - 2¹³ = 384270749 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 384278891 and 384278900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384278911) 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, 192139470 + 192139471.

It is an arithmetic number, because the mean of its divisors is an integer number (192139471).

Almost surely, 2^384278941 is an apocalyptic number.

It is an amenable number.

384278941 is a deficient number, since it is larger than the sum of its proper divisors (1).

384278941 is an equidigital number, since it uses as much as digits as its factorization.

384278941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 384278941 is about 19603.0339743622. The cubic root of 384278941 is about 727.0241908666.

The spelling of 384278941 in words is "three hundred eighty-four million, two hundred seventy-eight thousand, nine hundred forty-one".