806186086 has 4 divisors (see below), whose sum is σ = 1209279132. Its totient is φ = 403093042.

The previous prime is 806186083. The next prime is 806186099. The reversal of 806186086 is 680681608.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806186083) by changing a digit.

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, 201546520 + ... + 201546523.

It is an arithmetic number, because the mean of its divisors is an integer number (302319783).

Almost surely, 2^806186086 is an apocalyptic number.

806186086 is a deficient number, since it is larger than the sum of its proper divisors (403093046).

806186086 is a wasteful number, since it uses less digits than its factorization.

806186086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403093045.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 806186086 is about 28393.4162439112. The cubic root of 806186086 is about 930.7043979336.

The spelling of 806186086 in words is "eight hundred six million, one hundred eighty-six thousand, eighty-six".