606842 has 4 divisors (see below), whose sum is σ = 910266. Its totient is φ = 303420.

The previous prime is 606839. The next prime is 606847. The reversal of 606842 is 248606.

It is a Cunningham number, because it is equal to 779²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248606 = 2 ⋅124303.

It can be written as a sum of positive squares in only one way, i.e., 606841 + 1 = 779^2 + 1^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 606842.

It is not an unprimeable number, because it can be changed into a prime (606847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151709 + ... + 151712.

2⁶⁰⁶⁸⁴² is an apocalyptic number.

606842 is a deficient number, since it is larger than the sum of its proper divisors (303424).

606842 is a wasteful number, since it uses less digits than its factorization.

606842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303423.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 606842 is about 779.0006418483. Note that the first 3 decimals coincide. The cubic root of 606842 is about 84.6626536907.

The spelling of 606842 in words is "six hundred six thousand, eight hundred forty-two".