384239 has 4 divisors (see below), whose sum is σ = 390600. Its totient is φ = 377880.

The previous prime is 384227. The next prime is 384247. The reversal of 384239 is 932483.

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

It is a cyclic number.

It is not a de Polignac number, because 384239 - 2⁸ = 383983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3089 + ... + 3210.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2³⁸⁴²³⁹ is an apocalyptic number.

384239 is a deficient number, since it is larger than the sum of its proper divisors (6361).

384239 is an equidigital number, since it uses as much as digits as its factorization.

384239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6360.

The product of its digits is 5184, while the sum is 29.

The square root of 384239 is about 619.8701476922. The cubic root of 384239 is about 72.6999001630.

The spelling of 384239 in words is "three hundred eighty-four thousand, two hundred thirty-nine".