508666 has 8 divisors (see below), whose sum is σ = 766080. Its totient is φ = 253308.

The previous prime is 508661. The next prime is 508693. The reversal of 508666 is 666805.

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

508666 is a modest number, since divided by 666 gives 508 as remainder.

It is not an unprimeable number, because it can be changed into a prime (508661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535 + ... + 1141.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2⁵⁰⁸⁶⁶⁶ is an apocalyptic number.

508666 is a deficient number, since it is larger than the sum of its proper divisors (257414).

508666 is a wasteful number, since it uses less digits than its factorization.

508666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 508666 is about 713.2082444840. The cubic root of 508666 is about 79.8259758863.

The spelling of 508666 in words is "five hundred eight thousand, six hundred sixty-six".