669317 has 8 divisors (see below), whose sum is σ = 741312. Its totient is φ = 599200.

The previous prime is 669311. The next prime is 669329. The reversal of 669317 is 713966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 669317 - 2⁴ = 669301 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 669317.

It is not an unprimeable number, because it can be changed into a prime (669311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (92664).

2⁶⁶⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

669317 is a deficient number, since it is larger than the sum of its proper divisors (71995).

669317 is a wasteful number, since it uses less digits than its factorization.

669317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939.

The product of its digits is 6804, while the sum is 32.

The square root of 669317 is about 818.1179621546. The cubic root of 669317 is about 87.4736573762.

The spelling of 669317 in words is "six hundred sixty-nine thousand, three hundred seventeen".