669002 has 8 divisors (see below), whose sum is σ = 1010016. Its totient is φ = 332332.

The previous prime is 668999. The next prime is 669023. The reversal of 669002 is 200966.

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

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, 668 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (126252).

2⁶⁶⁹⁰⁰² is an apocalyptic number.

669002 is the 668-th pentagonal number.

669002 is a deficient number, since it is larger than the sum of its proper divisors (341014).

669002 is a wasteful number, since it uses less digits than its factorization.

669002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 669002 is about 817.9254244734. The cubic root of 669002 is about 87.4599326759.

Adding to 669002 its reverse (200966), we get a palindrome (869968).

The spelling of 669002 in words is "six hundred sixty-nine thousand, two".