384366 has 24 divisors (see below), whose sum is σ = 812520. Its totient is φ = 121072.

The previous prime is 384359. The next prime is 384367. The reversal of 384366 is 663483.

384366 is nontrivially palindromic in base 14.

384366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (10368) is a multiple of the sum of its prime divisors (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384367) by changing a digit.

384366 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 8155 + ... + 8201.

It is an arithmetic number, because the mean of its divisors is an integer number (33855).

2³⁸⁴³⁶⁶ is an apocalyptic number.

384366 is an abundant number, since it is smaller than the sum of its proper divisors (428154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384366 is a wasteful number, since it uses less digits than its factorization.

384366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 81 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 384366 is about 619.9725800388. The cubic root of 384366 is about 72.7079089547.

The spelling of 384366 in words is "three hundred eighty-four thousand, three hundred sixty-six".