606645439 has 4 divisors (see below), whose sum is σ = 607002120. Its totient is φ = 606288760.

The previous prime is 606645421. The next prime is 606645443. The reversal of 606645439 is 934546606.

606645439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 606645439 - 2⁷ = 606645311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 606645395 and 606645404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606643439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175777 + ... + 179194.

It is an arithmetic number, because the mean of its divisors is an integer number (151750530).

Almost surely, 2^606645439 is an apocalyptic number.

606645439 is a deficient number, since it is larger than the sum of its proper divisors (356681).

606645439 is a wasteful number, since it uses less digits than its factorization.

606645439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356680.

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 606645439 is about 24630.1733449036. The cubic root of 606645439 is about 846.5351173226.

The spelling of 606645439 in words is "six hundred six million, six hundred forty-five thousand, four hundred thirty-nine".