609635 has 16 divisors (see below), whose sum is σ = 804384. Its totient is φ = 440832.

The previous prime is 609619. The next prime is 609641. The reversal of 609635 is 536906.

609635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 609635 - 2⁴ = 609619 is a prime.

It is a d-powerful number, because it can be written as 6 + 0 + 6² + 9⁶ + 3³ + 5⁷ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 609598 and 609607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5339 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (50274).

2⁶⁰⁹⁶³⁵ is an apocalyptic number.

609635 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

609635 is a deficient number, since it is larger than the sum of its proper divisors (194749).

609635 is a wasteful number, since it uses less digits than its factorization.

609635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

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

The square root of 609635 is about 780.7912653200. The cubic root of 609635 is about 84.7923420016.

The spelling of 609635 in words is "six hundred nine thousand, six hundred thirty-five".