856449196 has 6 divisors (see below), whose sum is σ = 1498786100. Its totient is φ = 428224596.

The previous prime is 856449193. The next prime is 856449233. The reversal of 856449196 is 691944658.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (856449193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107056146 + ... + 107056153.

Almost surely, 2^856449196 is an apocalyptic number.

It is an amenable number.

856449196 is a deficient number, since it is larger than the sum of its proper divisors (642336904).

856449196 is a wasteful number, since it uses less digits than its factorization.

856449196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214112303 (or 214112301 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 856449196 is about 29265.1532714250. The cubic root of 856449196 is about 949.6579363134.

The spelling of 856449196 in words is "eight hundred fifty-six million, four hundred forty-nine thousand, one hundred ninety-six".