384219 has 12 divisors (see below), whose sum is σ = 605592. Its totient is φ = 232800.

The previous prime is 384203. The next prime is 384227. The reversal of 384219 is 912483.

It is not a de Polignac number, because 384219 - 2⁴ = 384203 is a prime.

It is a super-2 number, since 2×384219² = 295248479922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384192 and 384201.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1842 + ... + 2039.

It is an arithmetic number, because the mean of its divisors is an integer number (50466).

2³⁸⁴²¹⁹ is an apocalyptic number.

384219 is a deficient number, since it is larger than the sum of its proper divisors (221373).

384219 is a wasteful number, since it uses less digits than its factorization.

384219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898 (or 3895 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 384219 is about 619.8540150713. The cubic root of 384219 is about 72.6986387752.

The spelling of 384219 in words is "three hundred eighty-four thousand, two hundred nineteen".