605088809 has 8 divisors (see below), whose sum is σ = 653940672. Its totient is φ = 556566480.

The previous prime is 605088797. The next prime is 605088817. The reversal of 605088809 is 908880506.

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 605088809 - 2⁴ = 605088793 is a prime.

It is a super-2 number, since 2×605088809² = 732264933554076962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 605088809.

It is not an unprimeable number, because it can be changed into a prime (605088409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78557 + ... + 85914.

It is an arithmetic number, because the mean of its divisors is an integer number (81742584).

Almost surely, 2^605088809 is an apocalyptic number.

It is an amenable number.

605088809 is a deficient number, since it is larger than the sum of its proper divisors (48851863).

605088809 is a wasteful number, since it uses less digits than its factorization.

605088809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164767.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 605088809 is about 24598.5529858974. The cubic root of 605088809 is about 845.8104377559.

The spelling of 605088809 in words is "six hundred five million, eighty-eight thousand, eight hundred nine".