609835 has 4 divisors (see below), whose sum is σ = 731808. Its totient is φ = 487864.

The previous prime is 609821. The next prime is 609859. The reversal of 609835 is 538906.

609835 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 609835 - 2⁵ = 609803 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 609797 and 609806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60979 + ... + 60988.

It is an arithmetic number, because the mean of its divisors is an integer number (182952).

2⁶⁰⁹⁸³⁵ is an apocalyptic number.

609835 is a deficient number, since it is larger than the sum of its proper divisors (121973).

609835 is a wasteful number, since it uses less digits than its factorization.

609835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121972.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 609835 is about 780.9193300207. The cubic root of 609835 is about 84.8016134587.

It can be divided in two parts, 609 and 835, that added together give a square (1444 = 38²).

The spelling of 609835 in words is "six hundred nine thousand, eight hundred thirty-five".