856326208 has 28 divisors (see below), whose sum is σ = 1722559420. Its totient is φ = 422295552.

The previous prime is 856326197. The next prime is 856326311. The reversal of 856326208 is 802623658.

It can be written as a sum of positive squares in 2 ways, for example, as 619412544 + 236913664 = 24888^2 + 15392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86973 + ... + 96316.

Almost surely, 2^856326208 is an apocalyptic number.

It is an amenable number.

856326208 is an abundant number, since it is smaller than the sum of its proper divisors (866233212).

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

856326208 is a wasteful number, since it uses less digits than its factorization.

856326208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183374 (or 183364 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 856326208 is about 29263.0519255938. The cubic root of 856326208 is about 949.6124764768.

The spelling of 856326208 in words is "eight hundred fifty-six million, three hundred twenty-six thousand, two hundred eight".