384700385 has 8 divisors (see below), whose sum is σ = 462060456. Its totient is φ = 307480320.

The previous prime is 384700367. The next prime is 384700409. The reversal of 384700385 is 583007483.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39929761 + 344770624 = 6319^2 + 18568^2 .

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

It is not a de Polignac number, because 384700385 - 2¹⁰ = 384699361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 28856 + ... + 40025.

It is an arithmetic number, because the mean of its divisors is an integer number (57757557).

Almost surely, 2^384700385 is an apocalyptic number.

It is an amenable number.

384700385 is a deficient number, since it is larger than the sum of its proper divisors (77360071).

384700385 is a wasteful number, since it uses less digits than its factorization.

384700385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70003.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 384700385 is about 19613.7804871983. The cubic root of 384700385 is about 727.2898729078.

The spelling of 384700385 in words is "three hundred eighty-four million, seven hundred thousand, three hundred eighty-five".