609242 has 8 divisors (see below), whose sum is σ = 938676. Its totient is φ = 296352.

The previous prime is 609241. The next prime is 609253. The reversal of 609242 is 242906.

It can be written as a sum of positive squares in 2 ways, for example, as 606841 + 2401 = 779^2 + 49^2 .

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 609242.

It is not an unprimeable number, because it can be changed into a prime (609241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043 + ... + 4190.

2⁶⁰⁹²⁴² is an apocalyptic number.

609242 is a deficient number, since it is larger than the sum of its proper divisors (329434).

609242 is a wasteful number, since it uses less digits than its factorization.

609242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 609242 is about 780.5395569733. The cubic root of 609242 is about 84.7741176796.

The spelling of 609242 in words is "six hundred nine thousand, two hundred forty-two".