808646842 has 32 divisors (see below), whose sum is σ = 1275310080. Its totient is φ = 384082560.

The previous prime is 808646831. The next prime is 808646843. The reversal of 808646842 is 248646808.

808646842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 808646792 and 808646801.

It is not an unprimeable number, because it can be changed into a prime (808646843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687959 + ... + 1688437.

It is an arithmetic number, because the mean of its divisors is an integer number (39853440).

Almost surely, 2^808646842 is an apocalyptic number.

808646842 is a deficient number, since it is larger than the sum of its proper divisors (466663238).

808646842 is a wasteful number, since it uses less digits than its factorization.

808646842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958.

The product of its (nonzero) digits is 589824, while the sum is 46.

The square root of 808646842 is about 28436.7164419523. The cubic root of 808646842 is about 931.6503789419.

The spelling of 808646842 in words is "eight hundred eight million, six hundred forty-six thousand, eight hundred forty-two".