384776389 has 8 divisors (see below), whose sum is σ = 386588160. Its totient is φ = 382969776.

The previous prime is 384776383. The next prime is 384776401. The reversal of 384776389 is 983677483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 384776389 - 2⁹ = 384775877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384776383) 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 in 7 ways as a sum of consecutive naturals, for example, 240139 + ... + 241735.

It is an arithmetic number, because the mean of its divisors is an integer number (48323520).

Almost surely, 2^384776389 is an apocalyptic number.

It is an amenable number.

384776389 is a deficient number, since it is larger than the sum of its proper divisors (1811771).

384776389 is a wasteful number, since it uses less digits than its factorization.

384776389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579.

The product of its digits is 6096384, while the sum is 55.

The square root of 384776389 is about 19615.7179068216. The cubic root of 384776389 is about 727.3377658497.

The spelling of 384776389 in words is "three hundred eighty-four million, seven hundred seventy-six thousand, three hundred eighty-nine".