856674194 has 8 divisors (see below), whose sum is σ = 1304190768. Its totient is φ = 421943940.

The previous prime is 856674191. The next prime is 856674197. The reversal of 856674194 is 491476658.

It is an interprime number because it is at equal distance from previous prime (856674191) and next prime (856674197).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (856674191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3196412 + ... + 3196679.

It is an arithmetic number, because the mean of its divisors is an integer number (163023846).

Almost surely, 2^856674194 is an apocalyptic number.

856674194 is a deficient number, since it is larger than the sum of its proper divisors (447516574).

856674194 is a wasteful number, since it uses less digits than its factorization.

856674194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393160.

The product of its digits is 1451520, while the sum is 50.

The square root of 856674194 is about 29268.9971471521. The cubic root of 856674194 is about 949.7410906631.

The spelling of 856674194 in words is "eight hundred fifty-six million, six hundred seventy-four thousand, one hundred ninety-four".