609365 has 16 divisors (see below), whose sum is σ = 793152. Its totient is φ = 447744.

The previous prime is 609361. The next prime is 609373. The reversal of 609365 is 563906.

It is a cyclic number.

It is not a de Polignac number, because 609365 - 2² = 609361 is a prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609365.

It is not an unprimeable number, because it can be changed into a prime (609361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5642 + ... + 5748.

It is an arithmetic number, because the mean of its divisors is an integer number (49572).

2⁶⁰⁹³⁶⁵ is an apocalyptic number.

It is an amenable number.

609365 is a deficient number, since it is larger than the sum of its proper divisors (183787).

609365 is a wasteful number, since it uses less digits than its factorization.

609365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 609365 is about 780.6183446474. The cubic root of 609365 is about 84.7798223174.

The spelling of 609365 in words is "six hundred nine thousand, three hundred sixty-five".