504609 has 8 divisors (see below), whose sum is σ = 768960. Its totient is φ = 288336.

The previous prime is 504607. The next prime is 504617. The reversal of 504609 is 906405.

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

It is not a de Polignac number, because 504609 - 2¹ = 504607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504607) 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, 11994 + ... + 12035.

It is an arithmetic number, because the mean of its divisors is an integer number (96120).

2⁵⁰⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

504609 is a deficient number, since it is larger than the sum of its proper divisors (264351).

504609 is a wasteful number, since it uses less digits than its factorization.

504609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24039.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 504609 is about 710.3583602661. The cubic root of 504609 is about 79.6131847725.

It can be divided in two parts, 504 and 609, that multiplied together give a triangular number (306936 = T₇₈₃).

The spelling of 504609 in words is "five hundred four thousand, six hundred nine".