856454212 has 12 divisors (see below), whose sum is σ = 1499975680. Its totient is φ = 427889736.

The previous prime is 856454161. The next prime is 856454219. The reversal of 856454212 is 212454658.

It is not an unprimeable number, because it can be changed into a prime (856454219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78588 + ... + 88819.

Almost surely, 2^856454212 is an apocalyptic number.

It is an amenable number.

856454212 is a deficient number, since it is larger than the sum of its proper divisors (643521468).

856454212 is a wasteful number, since it uses less digits than its factorization.

856454212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168690 (or 168688 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 856454212 is about 29265.2389704919. The cubic root of 856454212 is about 949.6597902762.

The spelling of 856454212 in words is "eight hundred fifty-six million, four hundred fifty-four thousand, two hundred twelve".