668204 has 6 divisors (see below), whose sum is σ = 1169364. Its totient is φ = 334100.

The previous prime is 668203. The next prime is 668209. The reversal of 668204 is 402866.

It is not an unprimeable number, because it can be changed into a prime (668201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83522 + ... + 83529.

It is an arithmetic number, because the mean of its divisors is an integer number (194894).

2⁶⁶⁸²⁰⁴ is an apocalyptic number.

It is an amenable number.

668204 is a deficient number, since it is larger than the sum of its proper divisors (501160).

668204 is a wasteful number, since it uses less digits than its factorization.

668204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167055 (or 167053 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 668204 is about 817.4374593815. The cubic root of 668204 is about 87.4251441427.

The spelling of 668204 in words is "six hundred sixty-eight thousand, two hundred four".