806420852 has 6 divisors (see below), whose sum is σ = 1411236498. Its totient is φ = 403210424.

The previous prime is 806420837. The next prime is 806420897. The reversal of 806420852 is 258024608.

It can be written as a sum of positive squares in only one way, i.e., 780978916 + 25441936 = 27946^2 + 5044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100802603 + ... + 100802610.

It is an arithmetic number, because the mean of its divisors is an integer number (235206083).

Almost surely, 2^806420852 is an apocalyptic number.

It is an amenable number.

806420852 is a deficient number, since it is larger than the sum of its proper divisors (604815646).

806420852 is a wasteful number, since it uses less digits than its factorization.

806420852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201605217 (or 201605215 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 806420852 is about 28397.5501055989. The cubic root of 806420852 is about 930.7947313138.

The spelling of 806420852 in words is "eight hundred six million, four hundred twenty thousand, eight hundred fifty-two".