384449 has 4 divisors (see below), whose sum is σ = 414036. Its totient is φ = 354864.

The previous prime is 384437. The next prime is 384469. The reversal of 384449 is 944483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944483 = 587 ⋅1609.

It can be written as a sum of positive squares in 2 ways, for example, as 53824 + 330625 = 232^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 384449 - 2⁸ = 384193 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 384449.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14774 + ... + 14799.

It is an arithmetic number, because the mean of its divisors is an integer number (103509).

2³⁸⁴⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

384449 is a deficient number, since it is larger than the sum of its proper divisors (29587).

384449 is a wasteful number, since it uses less digits than its factorization.

384449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29586.

The product of its digits is 13824, while the sum is 32.

The square root of 384449 is about 620.0395148698. The cubic root of 384449 is about 72.7131420937.

It can be divided in two parts, 3844 and 49, that multiplied together give a square (188356 = 434²).

The spelling of 384449 in words is "three hundred eighty-four thousand, four hundred forty-nine".