806856476 has 24 divisors (see below), whose sum is σ = 1428647136. Its totient is φ = 398684160.

The previous prime is 806856469. The next prime is 806856493. The reversal of 806856476 is 674658608.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399020 + ... + 401036.

It is an arithmetic number, because the mean of its divisors is an integer number (59526964).

Almost surely, 2^806856476 is an apocalyptic number.

It is an amenable number.

806856476 is a deficient number, since it is larger than the sum of its proper divisors (621790660).

806856476 is a wasteful number, since it uses less digits than its factorization.

806856476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 806856476 is about 28405.2191683148. The cubic root of 806856476 is about 930.9623044997.

The spelling of 806856476 in words is "eight hundred six million, eight hundred fifty-six thousand, four hundred seventy-six".