856196371 has 4 divisors (see below), whose sum is σ = 856625832. Its totient is φ = 855766912.

The previous prime is 856196359. The next prime is 856196387. The reversal of 856196371 is 173691658.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 856196371 - 2⁵ = 856196339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (856196311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211726 + ... + 215731.

It is an arithmetic number, because the mean of its divisors is an integer number (214156458).

Almost surely, 2^856196371 is an apocalyptic number.

856196371 is a deficient number, since it is larger than the sum of its proper divisors (429461).

856196371 is a wasteful number, since it uses less digits than its factorization.

856196371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429460.

The product of its digits is 272160, while the sum is 46.

The square root of 856196371 is about 29260.8333955135. The cubic root of 856196371 is about 949.5644803332.

The spelling of 856196371 in words is "eight hundred fifty-six million, one hundred ninety-six thousand, three hundred seventy-one".