856243094 has 32 divisors (see below), whose sum is σ = 1547719680. Its totient is φ = 347058432.

The previous prime is 856243043. The next prime is 856243109. The reversal of 856243094 is 490342658.

856243094 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176627 + ... + 181409.

It is an arithmetic number, because the mean of its divisors is an integer number (48366240).

Almost surely, 2^856243094 is an apocalyptic number.

856243094 is a deficient number, since it is larger than the sum of its proper divisors (691476586).

856243094 is a wasteful number, since it uses less digits than its factorization.

856243094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 856243094 is about 29261.6317726814. The cubic root of 856243094 is about 949.5817527315.

The spelling of 856243094 in words is "eight hundred fifty-six million, two hundred forty-three thousand, ninety-four".