606635 has 4 divisors (see below), whose sum is σ = 727968. Its totient is φ = 485304.

The previous prime is 606607. The next prime is 606643. The reversal of 606635 is 536606.

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 606635 - 2⁸ = 606379 is a prime.

It is a Duffinian number.

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, 60659 + ... + 60668.

It is an arithmetic number, because the mean of its divisors is an integer number (181992).

2⁶⁰⁶⁶³⁵ is an apocalyptic number.

606635 is a deficient number, since it is larger than the sum of its proper divisors (121333).

606635 is a wasteful number, since it uses less digits than its factorization.

606635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121332.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 606635 is about 778.8677679812. The cubic root of 606635 is about 84.6530261641.

The spelling of 606635 in words is "six hundred six thousand, six hundred thirty-five".