384729 has 8 divisors (see below), whose sum is σ = 516000. Its totient is φ = 254976.

The previous prime is 384719. The next prime is 384733. The reversal of 384729 is 927483.

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

It is not a de Polignac number, because 384729 - 2⁵ = 384697 is a prime.

It is a Curzon number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 384729.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 384729.

It is not an unprimeable number, because it can be changed into a prime (384719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522 + ... + 1020.

It is an arithmetic number, because the mean of its divisors is an integer number (64500).

2³⁸⁴⁷²⁹ is an apocalyptic number.

It is an amenable number.

384729 is a deficient number, since it is larger than the sum of its proper divisors (131271).

384729 is a wasteful number, since it uses less digits than its factorization.

384729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759.

The product of its digits is 12096, while the sum is 33.

The square root of 384729 is about 620.2652658339. The cubic root of 384729 is about 72.7307905022.

It can be divided in two parts, 384 and 729, that multiplied together give a 7-th power (279936 = 6⁷).

The spelling of 384729 in words is "three hundred eighty-four thousand, seven hundred twenty-nine".