504399 has 8 divisors (see below), whose sum is σ = 768640. Its totient is φ = 288216.

The previous prime is 504389. The next prime is 504403. The reversal of 504399 is 993405.

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

It is not a de Polignac number, because 504399 - 2⁸ = 504143 is a prime.

It is a Duffinian number.

504399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504349) 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, 11989 + ... + 12030.

It is an arithmetic number, because the mean of its divisors is an integer number (96080).

2⁵⁰⁴³⁹⁹ is an apocalyptic number.

504399 is a deficient number, since it is larger than the sum of its proper divisors (264241).

504399 is a wasteful number, since it uses less digits than its factorization.

504399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24029.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 504399 is about 710.2105321663. The cubic root of 504399 is about 79.6021391983.

It can be divided in two parts, 504 and 399, that added together give a triangular number (903 = T₄₂).

The spelling of 504399 in words is "five hundred four thousand, three hundred ninety-nine".