606439 has 4 divisors (see below), whose sum is σ = 608224. Its totient is φ = 604656.

The previous prime is 606433. The next prime is 606443. The reversal of 606439 is 934606.

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 606439 - 2⁷ = 606311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606433) 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, 207 + ... + 1120.

It is an arithmetic number, because the mean of its divisors is an integer number (152056).

2⁶⁰⁶⁴³⁹ is an apocalyptic number.

606439 is a deficient number, since it is larger than the sum of its proper divisors (1785).

606439 is a wasteful number, since it uses less digits than its factorization.

606439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 606439 is about 778.7419341476. The cubic root of 606439 is about 84.6439082265.

The spelling of 606439 in words is "six hundred six thousand, four hundred thirty-nine".