384939 has 16 divisors (see below), whose sum is σ = 583200. Its totient is φ = 250848.

The previous prime is 384919. The next prime is 384941. The reversal of 384939 is 939483.

It is not a de Polignac number, because 384939 - 2⁵ = 384907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (36450).

2³⁸⁴⁹³⁹ is an apocalyptic number.

384939 is a deficient number, since it is larger than the sum of its proper divisors (198261).

384939 is a wasteful number, since it uses less digits than its factorization.

384939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 325 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 384939 is about 620.4345251515. The cubic root of 384939 is about 72.7440211900.

The spelling of 384939 in words is "three hundred eighty-four thousand, nine hundred thirty-nine".