669234 has 8 divisors (see below), whose sum is σ = 1338480. Its totient is φ = 223076.

The previous prime is 669181. The next prime is 669241. The reversal of 669234 is 432966.

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

669234 is an admirable number.

It is an unprimeable number.

669234 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55764 + ... + 55775.

It is an arithmetic number, because the mean of its divisors is an integer number (167310).

2⁶⁶⁹²³⁴ is an apocalyptic number.

669234 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.

669234 is a wasteful number, since it uses less digits than its factorization.

669234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111544.

The product of its digits is 7776, while the sum is 30.

The square root of 669234 is about 818.0672344007. The cubic root of 669234 is about 87.4700414445.

It can be divided in two parts, 669 and 234, that added together give a triangular number (903 = T₄₂).

The spelling of 669234 in words is "six hundred sixty-nine thousand, two hundred thirty-four".