508668 has 48 divisors (see below), whose sum is σ = 1317120. Its totient is φ = 152064.

The previous prime is 508661. The next prime is 508693. The reversal of 508668 is 866805.

It is a congruent number.

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

508668 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 15 ways as a sum of consecutive naturals, for example, 5196 + ... + 5292.

It is an arithmetic number, because the mean of its divisors is an integer number (27440).

2⁵⁰⁸⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 508668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658560).

508668 is an abundant number, since it is smaller than the sum of its proper divisors (808452).

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

508668 is a wasteful number, since it uses less digits than its factorization.

508668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 508668 is about 713.2096465977. The cubic root of 508668 is about 79.8260805075.

It can be divided in two parts, 508 and 668, that added together give a triangular number (1176 = T₄₈).

The spelling of 508668 in words is "five hundred eight thousand, six hundred sixty-eight".