384720329 has 8 divisors (see below), whose sum is σ = 440419200. Its totient is φ = 329206176.

The previous prime is 384720317. The next prime is 384720331. The reversal of 384720329 is 923027483.

It is a happy number.

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 384720329 - 2⁴ = 384720313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384720292 and 384720301.

It is not an unprimeable number, because it can be changed into a prime (384720359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41684 + ... + 50069.

It is an arithmetic number, because the mean of its divisors is an integer number (55052400).

Almost surely, 2^384720329 is an apocalyptic number.

It is an amenable number.

384720329 is a deficient number, since it is larger than the sum of its proper divisors (55698871).

384720329 is an equidigital number, since it uses as much as digits as its factorization.

384720329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92359.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 384720329 is about 19614.2888986575. The cubic root of 384720329 is about 727.3024409730.

The spelling of 384720329 in words is "three hundred eighty-four million, seven hundred twenty thousand, three hundred twenty-nine".