504666 has 36 divisors (see below), whose sum is σ = 1164618. Its totient is φ = 157872.

The previous prime is 504661. The next prime is 504667. The reversal of 504666 is 666405.

It can be written as a sum of positive squares in only one way, i.e., 385641 + 119025 = 621^2 + 345^2 .

504666 is a modest number, since divided by 666 gives 504 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 504666.

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

504666 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9496 + ... + 9548.

2⁵⁰⁴⁶⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582309).

504666 is an abundant number, since it is smaller than the sum of its proper divisors (659952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504666 is a wasteful number, since it uses less digits than its factorization.

504666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 504666 is about 710.3984797281. The cubic root of 504666 is about 79.6161823282.

The spelling of 504666 in words is "five hundred four thousand, six hundred sixty-six".