856350806 has 4 divisors (see below), whose sum is σ = 1284526212. Its totient is φ = 428175402.

The previous prime is 856350793. The next prime is 856350811. The reversal of 856350806 is 608053658.

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

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 as a sum of consecutive naturals, namely, 214087700 + ... + 214087703.

It is an arithmetic number, because the mean of its divisors is an integer number (321131553).

Almost surely, 2^856350806 is an apocalyptic number.

856350806 is a deficient number, since it is larger than the sum of its proper divisors (428175406).

856350806 is a wasteful number, since it uses less digits than its factorization.

856350806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428175405.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 856350806 is about 29263.4722136660. The cubic root of 856350806 is about 949.6215689402.

The spelling of 856350806 in words is "eight hundred fifty-six million, three hundred fifty thousand, eight hundred six".