806866446 has 8 divisors (see below), whose sum is σ = 1613732904. Its totient is φ = 268955480.

The previous prime is 806866441. The next prime is 806866471. The reversal of 806866446 is 644668608.

It is a sphenic number, since it is the product of 3 distinct primes.

806866446 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 806866395 and 806866404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806866441) 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, 67238865 + ... + 67238876.

It is an arithmetic number, because the mean of its divisors is an integer number (201716613).

Almost surely, 2^806866446 is an apocalyptic number.

806866446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

806866446 is a wasteful number, since it uses less digits than its factorization.

806866446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134477746.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 806866446 is about 28405.3946636902. The cubic root of 806866446 is about 930.9661389924.

The spelling of 806866446 in words is "eight hundred six million, eight hundred sixty-six thousand, four hundred forty-six".