609085906 has 16 divisors (see below), whose sum is σ = 1073354688. Its totient is φ = 255560400.

The previous prime is 609085903. The next prime is 609085913. The reversal of 609085906 is 609580906.

609085906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (609085903) 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, 1064550 + ... + 1065121.

It is an arithmetic number, because the mean of its divisors is an integer number (67084668).

Almost surely, 2^609085906 is an apocalyptic number.

609085906 is a deficient number, since it is larger than the sum of its proper divisors (464268782).

609085906 is a wasteful number, since it uses less digits than its factorization.

609085906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129697.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 609085906 is about 24679.6658405255. The cubic root of 609085906 is about 847.6687706399.

The spelling of 609085906 in words is "six hundred nine million, eighty-five thousand, nine hundred six".