669327 has 12 divisors (see below), whose sum is σ = 920856. Its totient is φ = 432400.

The previous prime is 669311. The next prime is 669329. The reversal of 669327 is 723966.

It is not a de Polignac number, because 669327 - 2⁴ = 669311 is a prime.

It is a d-powerful number, because it can be written as 6 + 6² + 3⁹ + 9⁶ + 2⁹ + 7⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669329) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6577 + ... + 6677.

It is an arithmetic number, because the mean of its divisors is an integer number (76738).

2⁶⁶⁹³²⁷ is an apocalyptic number.

669327 is a deficient number, since it is larger than the sum of its proper divisors (251529).

669327 is a wasteful number, since it uses less digits than its factorization.

669327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 151 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 669327 is about 818.1240737199. The cubic root of 669327 is about 87.4740930105.

The spelling of 669327 in words is "six hundred sixty-nine thousand, three hundred twenty-seven".