384955379 has 2 divisors, whose sum is σ = 384955380. Its totient is φ = 384955378.

The previous prime is 384955313. The next prime is 384955381. The reversal of 384955379 is 973559483.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384955379 is a prime.

It is a Sophie Germain prime.

Together with 384955381, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384955379.

It is not a weakly prime, because it can be changed into another prime (384955399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192477689 + 192477690.

It is an arithmetic number, because the mean of its divisors is an integer number (192477690).

Almost surely, 2^384955379 is an apocalyptic number.

384955379 is a deficient number, since it is larger than the sum of its proper divisors (1).

384955379 is an equidigital number, since it uses as much as digits as its factorization.

384955379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 53.

The square root of 384955379 is about 19620.2797890346. The cubic root of 384955379 is about 727.4505291836.

The spelling of 384955379 in words is "three hundred eighty-four million, nine hundred fifty-five thousand, three hundred seventy-nine".