667004 has 24 divisors (see below), whose sum is σ = 1279488. Its totient is φ = 302400.

The previous prime is 666989. The next prime is 667013. The reversal of 667004 is 400766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189 + ... + 5315.

It is an arithmetic number, because the mean of its divisors is an integer number (53312).

2⁶⁶⁷⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

667004 is a deficient number, since it is larger than the sum of its proper divisors (612484).

667004 is a wasteful number, since it uses less digits than its factorization.

667004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 667004 is about 816.7031284377. The cubic root of 667004 is about 87.3727783796.

It can be divided in two parts, 66 and 7004, that multiplied together give a palindrome (462264).

The spelling of 667004 in words is "six hundred sixty-seven thousand, four".