669962 has 8 divisors (see below), whose sum is σ = 1008516. Its totient is φ = 333792.

The previous prime is 669947. The next prime is 669971. The reversal of 669962 is 269966.

It can be written as a sum of positive squares in 2 ways, for example, as 502681 + 167281 = 709^2 + 409^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 669962.

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, 548 + ... + 1280.

2⁶⁶⁹⁹⁶² is an apocalyptic number.

669962 is a deficient number, since it is larger than the sum of its proper divisors (338554).

669962 is a wasteful number, since it uses less digits than its factorization.

669962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its digits is 34992, while the sum is 38.

The square root of 669962 is about 818.5120646637. The cubic root of 669962 is about 87.5017469039.

The spelling of 669962 in words is "six hundred sixty-nine thousand, nine hundred sixty-two".