384955313 has 2 divisors, whose sum is σ = 384955314. Its totient is φ = 384955312.

The previous prime is 384955279. The next prime is 384955379. The reversal of 384955313 is 313559483.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359785024 + 25170289 = 18968^2 + 5017^2 .

It is a cyclic number.

It is not a de Polignac number, because 384955313 - 2⁸ = 384955057 is a prime.

It is not a weakly prime, because it can be changed into another prime (384955013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192477656 + 192477657.

It is an arithmetic number, because the mean of its divisors is an integer number (192477657).

Almost surely, 2^384955313 is an apocalyptic number.

It is an amenable number.

384955313 is a deficient number, since it is larger than the sum of its proper divisors (1).

384955313 is an equidigital number, since it uses as much as digits as its factorization.

384955313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 384955313 is about 19620.2781071013. The cubic root of 384955313 is about 727.4504876102.

The spelling of 384955313 in words is "three hundred eighty-four million, nine hundred fifty-five thousand, three hundred thirteen".