384469 has 2 divisors, whose sum is σ = 384470. Its totient is φ = 384468.

The previous prime is 384437. The next prime is 384473. The reversal of 384469 is 964483.

384469 is nontrivially palindromic in base 16.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288369 + 96100 = 537^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 384469 - 2⁵ = 384437 is a prime.

It is a super-2 number, since 2×384469² = 295632823922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384479) 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 as a sum of consecutive naturals, namely, 192234 + 192235.

It is an arithmetic number, because the mean of its divisors is an integer number (192235).

2³⁸⁴⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

384469 is a deficient number, since it is larger than the sum of its proper divisors (1).

384469 is an equidigital number, since it uses as much as digits as its factorization.

384469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 384469 is about 620.0556426644. The cubic root of 384469 is about 72.7144029784.

The spelling of 384469 in words is "three hundred eighty-four thousand, four hundred sixty-nine".