856141936 has 40 divisors (see below), whose sum is σ = 1789579904. Its totient is φ = 394433280.

The previous prime is 856141921. The next prime is 856141943. The reversal of 856141936 is 639141658.

It is a junction number, because it is equal to n+sod(n) for n = 856141892 and 856141901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122866 + ... + 129646.

Almost surely, 2^856141936 is an apocalyptic number.

It is an amenable number.

856141936 is an abundant number, since it is smaller than the sum of its proper divisors (933437968).

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

856141936 is a wasteful number, since it uses less digits than its factorization.

856141936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7409 (or 7403 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 856141936 is about 29259.9032124168. The cubic root of 856141936 is about 949.5443561967.

The spelling of 856141936 in words is "eight hundred fifty-six million, one hundred forty-one thousand, nine hundred thirty-six".