384429 has 8 divisors (see below), whose sum is σ = 517120. Its totient is φ = 254016.

The previous prime is 384407. The next prime is 384437. The reversal of 384429 is 924483.

It is a happy number.

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

It is not a de Polignac number, because 384429 - 2⁷ = 384301 is a prime.

It is a Duffinian number.

384429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 384396 and 384405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384469) 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, 124 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (64640).

2³⁸⁴⁴²⁹ is an apocalyptic number.

It is an amenable number.

384429 is a deficient number, since it is larger than the sum of its proper divisors (132691).

384429 is a wasteful number, since it uses less digits than its factorization.

384429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139.

The product of its digits is 6912, while the sum is 30.

The square root of 384429 is about 620.0233866557. The cubic root of 384429 is about 72.7118811652.

The spelling of 384429 in words is "three hundred eighty-four thousand, four hundred twenty-nine".