608909 has 8 divisors (see below), whose sum is σ = 715008. Its totient is φ = 507600.

The previous prime is 608903. The next prime is 608941. The reversal of 608909 is 909806.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 608909 - 2⁸ = 608653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (89376).

2⁶⁰⁸⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

608909 is a deficient number, since it is larger than the sum of its proper divisors (106099).

608909 is a wasteful number, since it uses less digits than its factorization.

608909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 608909 is about 780.3262138362. The cubic root of 608909 is about 84.7586695621.

The spelling of 608909 in words is "six hundred eight thousand, nine hundred nine".