387543 has 16 divisors (see below), whose sum is σ = 586880. Its totient is φ = 225504.

The previous prime is 387529. The next prime is 387551. The reversal of 387543 is 345783.

It is not a de Polignac number, because 387543 - 2⁹ = 387031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 387543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387503) 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 in 15 ways as a sum of consecutive naturals, for example, 480 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (36680).

2³⁸⁷⁵⁴³ is an apocalyptic number.

387543 is a deficient number, since it is larger than the sum of its proper divisors (199337).

387543 is a wasteful number, since it uses less digits than its factorization.

387543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its digits is 10080, while the sum is 30.

The square root of 387543 is about 622.5295173725. The cubic root of 387543 is about 72.9076833922.

The spelling of 387543 in words is "three hundred eighty-seven thousand, five hundred forty-three".