384507 has 20 divisors (see below), whose sum is σ = 592416. Its totient is φ = 248400.

The previous prime is 384497. The next prime is 384509. The reversal of 384507 is 705483.

It is not a de Polignac number, because 384507 - 2¹⁰ = 383483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 384507.

It is not an unprimeable number, because it can be changed into a prime (384509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3757 + ... + 3857.

2³⁸⁴⁵⁰⁷ is an apocalyptic number.

384507 is a deficient number, since it is larger than the sum of its proper divisors (207909).

384507 is a wasteful number, since it uses less digits than its factorization.

384507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 384507 is about 620.0862843186. The cubic root of 384507 is about 72.7167985389.

384507 divided by its sum of digits (27) gives a palindrome (14241).

The spelling of 384507 in words is "three hundred eighty-four thousand, five hundred seven".