609416805 has 32 divisors (see below), whose sum is σ = 998498304. Its totient is φ = 317249856.

The previous prime is 609416789. The next prime is 609416807. The reversal of 609416805 is 508614906.

609416805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 609416805 - 2⁴ = 609416789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609416807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325482 + ... + 327348.

It is an arithmetic number, because the mean of its divisors is an integer number (31203072).

Almost surely, 2^609416805 is an apocalyptic number.

It is an amenable number.

609416805 is a deficient number, since it is larger than the sum of its proper divisors (389081499).

609416805 is a wasteful number, since it uses less digits than its factorization.

609416805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 609416805 is about 24686.3688095273. The cubic root of 609416805 is about 847.8222476052.

The spelling of 609416805 in words is "six hundred nine million, four hundred sixteen thousand, eight hundred five".