667304 has 16 divisors (see below), whose sum is σ = 1365120. Its totient is φ = 303280.

The previous prime is 667283. The next prime is 667309. The reversal of 667304 is 403766.

It is not an unprimeable number, because it can be changed into a prime (667309) 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, 3704 + ... + 3879.

It is an arithmetic number, because the mean of its divisors is an integer number (85320).

2⁶⁶⁷³⁰⁴ is an apocalyptic number.

It is an amenable number.

667304 is an abundant number, since it is smaller than the sum of its proper divisors (697816).

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

667304 is a wasteful number, since it uses less digits than its factorization.

667304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600 (or 7596 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 667304 is about 816.8867730598. The cubic root of 667304 is about 87.3858757047.

The spelling of 667304 in words is "six hundred sixty-seven thousand, three hundred four".