859017434 has 16 divisors (see below), whose sum is σ = 1406120256. Its totient is φ = 390336000.

The previous prime is 859017389. The next prime is 859017443. The reversal of 859017434 is 434710958.

859017434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 859017391 and 859017400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114074 + ... + 121370.

It is an arithmetic number, because the mean of its divisors is an integer number (87882516).

Almost surely, 2^859017434 is an apocalyptic number.

859017434 is a deficient number, since it is larger than the sum of its proper divisors (547102822).

859017434 is a wasteful number, since it uses less digits than its factorization.

859017434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12661.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 859017434 is about 29308.9991981985. Note that the first 3 decimals coincide. The cubic root of 859017434 is about 950.6062368740.

The spelling of 859017434 in words is "eight hundred fifty-nine million, seventeen thousand, four hundred thirty-four".