384387 has 8 divisors (see below), whose sum is σ = 542736. Its totient is φ = 241152.

The previous prime is 384383. The next prime is 384403. The reversal of 384387 is 783483.

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

It is not a de Polignac number, because 384387 - 2² = 384383 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (384383) 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 7 ways as a sum of consecutive naturals, for example, 3718 + ... + 3819.

It is an arithmetic number, because the mean of its divisors is an integer number (67842).

2³⁸⁴³⁸⁷ is an apocalyptic number.

384387 is a deficient number, since it is larger than the sum of its proper divisors (158349).

384387 is a wasteful number, since it uses less digits than its factorization.

384387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557.

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

The square root of 384387 is about 619.9895160404. The cubic root of 384387 is about 72.7092330731.

The spelling of 384387 in words is "three hundred eighty-four thousand, three hundred eighty-seven".