504385 has 8 divisors (see below), whose sum is σ = 691776. Its totient is φ = 345840.

The previous prime is 504379. The next prime is 504389. The reversal of 504385 is 583405.

It is a happy number.

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

It is not a de Polignac number, because 504385 - 2³ = 504377 is a prime.

It is a Duffinian number.

504385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (504389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7171 + ... + 7240.

It is an arithmetic number, because the mean of its divisors is an integer number (86472).

2⁵⁰⁴³⁸⁵ is an apocalyptic number.

It is an amenable number.

504385 is a deficient number, since it is larger than the sum of its proper divisors (187391).

504385 is a wasteful number, since it uses less digits than its factorization.

504385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14423.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 504385 is about 710.2006758656. The cubic root of 504385 is about 79.6014027176.

The spelling of 504385 in words is "five hundred four thousand, three hundred eighty-five".