669933 has 24 divisors (see below), whose sum is σ = 1082016. Its totient is φ = 396000.

The previous prime is 669931. The next prime is 669937. The reversal of 669933 is 339966.

It is not a de Polignac number, because 669933 - 2¹ = 669931 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669931) 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 23 ways as a sum of consecutive naturals, for example, 6583 + ... + 6683.

It is an arithmetic number, because the mean of its divisors is an integer number (45084).

2⁶⁶⁹⁹³³ is an apocalyptic number.

It is an amenable number.

669933 is a deficient number, since it is larger than the sum of its proper divisors (412083).

669933 is a wasteful number, since it uses less digits than its factorization.

669933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 182 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 669933 is about 818.4943494002. The cubic root of 669933 is about 87.5004843511.

It can be divided in two parts, 66 and 9933, that added together give a palindrome (9999).

The spelling of 669933 in words is "six hundred sixty-nine thousand, nine hundred thirty-three".