384881065 has 4 divisors (see below), whose sum is σ = 461857284. Its totient is φ = 307904848.

The previous prime is 384881053. The next prime is 384881083. The reversal of 384881065 is 560188483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56836521 + 328044544 = 7539^2 + 18112^2 .

It is a cyclic number.

It is not a de Polignac number, because 384881065 - 2⁹ = 384880553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38488102 + ... + 38488111.

It is an arithmetic number, because the mean of its divisors is an integer number (115464321).

Almost surely, 2^384881065 is an apocalyptic number.

It is an amenable number.

384881065 is a deficient number, since it is larger than the sum of its proper divisors (76976219).

384881065 is an equidigital number, since it uses as much as digits as its factorization.

384881065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76976218.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 384881065 is about 19618.3858918108. The cubic root of 384881065 is about 727.4037157600.

The spelling of 384881065 in words is "three hundred eighty-four million, eight hundred eighty-one thousand, sixty-five".