504664 has 16 divisors (see below), whose sum is σ = 954000. Its totient is φ = 250272.

The previous prime is 504661. The next prime is 504667. The reversal of 504664 is 466405.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (504661) and next prime (504667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (59625).

2⁵⁰⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

504664 is a deficient number, since it is larger than the sum of its proper divisors (449336).

504664 is a wasteful number, since it uses less digits than its factorization.

504664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 504664 is about 710.3970720660. The cubic root of 504664 is about 79.6160771546.

The spelling of 504664 in words is "five hundred four thousand, six hundred sixty-four".