669004 has 12 divisors (see below), whose sum is σ = 1338064. Its totient is φ = 286704.

The previous prime is 668999. The next prime is 669023. The reversal of 669004 is 400966.

669004 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 669004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11919 + ... + 11974.

2⁶⁶⁹⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

669004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

669004 is a wasteful number, since it uses less digits than its factorization.

669004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23904 (or 23902 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 669004 is about 817.9266470778. The cubic root of 669004 is about 87.4600198304.

The spelling of 669004 in words is "six hundred sixty-nine thousand, four".