384378 has 8 divisors (see below), whose sum is σ = 768768. Its totient is φ = 128124.

The previous prime is 384367. The next prime is 384383. The reversal of 384378 is 873483.

384378 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

384378 is an admirable number.

It is an unprimeable number.

384378 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 3 ways as a sum of consecutive naturals, for example, 32026 + ... + 32037.

It is an arithmetic number, because the mean of its divisors is an integer number (96096).

2³⁸⁴³⁷⁸ is an apocalyptic number.

384378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

384378 is a wasteful number, since it uses less digits than its factorization.

384378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64068.

The product of its digits is 16128, while the sum is 33.

The square root of 384378 is about 619.9822578107. The cubic root of 384378 is about 72.7086655997.

The spelling of 384378 in words is "three hundred eighty-four thousand, three hundred seventy-eight".