805879934 has 16 divisors (see below), whose sum is σ = 1335577248. Its totient is φ = 362748672.

The previous prime is 805879933. The next prime is 805879979. The reversal of 805879934 is 439978508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805879933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514487 + ... + 516050.

It is an arithmetic number, because the mean of its divisors is an integer number (83473578).

Almost surely, 2^805879934 is an apocalyptic number.

805879934 is a deficient number, since it is larger than the sum of its proper divisors (529697314).

805879934 is a wasteful number, since it uses less digits than its factorization.

805879934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030579.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 805879934 is about 28388.0244821650. The cubic root of 805879934 is about 930.5865702616.

The spelling of 805879934 in words is "eight hundred five million, eight hundred seventy-nine thousand, nine hundred thirty-four".