384675913 has 2 divisors, whose sum is σ = 384675914. Its totient is φ = 384675912.

The previous prime is 384675911. The next prime is 384675917. The reversal of 384675913 is 319576483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384630544 + 45369 = 19612^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 384675913 - 2¹ = 384675911 is a prime.

Together with 384675911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (384675911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192337956 + 192337957.

It is an arithmetic number, because the mean of its divisors is an integer number (192337957).

Almost surely, 2^384675913 is an apocalyptic number.

It is an amenable number.

384675913 is a deficient number, since it is larger than the sum of its proper divisors (1).

384675913 is an equidigital number, since it uses as much as digits as its factorization.

384675913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 384675913 is about 19613.1566301807. The cubic root of 384675913 is about 727.2744508496.

The spelling of 384675913 in words is "three hundred eighty-four million, six hundred seventy-five thousand, nine hundred thirteen".