606669 has 12 divisors (see below), whose sum is σ = 941184. Its totient is φ = 346584.

The previous prime is 606659. The next prime is 606673. The reversal of 606669 is 966606.

It is not a de Polignac number, because 606669 - 2⁴ = 606653 is a prime.

It is a super-2 number, since 2×606669² = 736094551122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1917 + ... + 2210.

It is an arithmetic number, because the mean of its divisors is an integer number (78432).

2⁶⁰⁶⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

606669 is a deficient number, since it is larger than the sum of its proper divisors (334515).

606669 is a wasteful number, since it uses less digits than its factorization.

606669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 606669 is about 778.8895942301. The cubic root of 606669 is about 84.6546076473.

It can be divided in two parts, 606 and 669, that added together give a triangular number (1275 = T₅₀).

The spelling of 606669 in words is "six hundred six thousand, six hundred sixty-nine".