806639084 has 24 divisors (see below), whose sum is σ = 1447380816. Its totient is φ = 393120000.

The previous prime is 806639083. The next prime is 806639111. The reversal of 806639084 is 480936608.

It is a super-2 number, since 2×806639084² = 1301333223672718112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (806639083) 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 in 7 ways as a sum of consecutive naturals, for example, 293999 + ... + 296729.

It is an arithmetic number, because the mean of its divisors is an integer number (60307534).

Almost surely, 2^806639084 is an apocalyptic number.

It is an amenable number.

806639084 is a deficient number, since it is larger than the sum of its proper divisors (640741732).

806639084 is a wasteful number, since it uses less digits than its factorization.

806639084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577 (or 4575 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 806639084 is about 28401.3922898157. The cubic root of 806639084 is about 930.8786870112.

The spelling of 806639084 in words is "eight hundred six million, six hundred thirty-nine thousand, eighty-four".