856194234 has 16 divisors (see below), whose sum is σ = 1957015488. Its totient is φ = 244626912.

The previous prime is 856194217. The next prime is 856194247. The reversal of 856194234 is 432491658.

856194234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 20385577 = 856194234 / (8 + 5 + 6 + 1 + 9 + 4 + 2 + 3 + 4).

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, 10192747 + ... + 10192830.

It is an arithmetic number, because the mean of its divisors is an integer number (122313468).

Almost surely, 2^856194234 is an apocalyptic number.

856194234 is an abundant number, since it is smaller than the sum of its proper divisors (1100821254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

856194234 is a wasteful number, since it uses less digits than its factorization.

856194234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20385589.

The product of its digits is 207360, while the sum is 42.

The square root of 856194234 is about 29260.7968791009. The cubic root of 856194234 is about 949.5636903193.

The spelling of 856194234 in words is "eight hundred fifty-six million, one hundred ninety-four thousand, two hundred thirty-four".