606642 has 8 divisors (see below), whose sum is σ = 1213296. Its totient is φ = 202212.

The previous prime is 606607. The next prime is 606643. The reversal of 606642 is 246606.

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

606642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (606643) by changing a digit.

606642 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, 50548 + ... + 50559.

It is an arithmetic number, because the mean of its divisors is an integer number (151662).

2⁶⁰⁶⁶⁴² is an apocalyptic number.

606642 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.

606642 is a wasteful number, since it uses less digits than its factorization.

606642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101112.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 606642 is about 778.8722616707. The cubic root of 606642 is about 84.6533517684.

The spelling of 606642 in words is "six hundred six thousand, six hundred forty-two".