805219432 has 16 divisors (see below), whose sum is σ = 1510264260. Its totient is φ = 402482304.

The previous prime is 805219379. The next prime is 805219439. The reversal of 805219432 is 234912508.

It can be written as a sum of positive squares in 2 ways, for example, as 652598116 + 152621316 = 25546^2 + 12354^2 .

It is not an unprimeable number, because it can be changed into a prime (805219439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14308 + ... + 42604.

Almost surely, 2^805219432 is an apocalyptic number.

It is an amenable number.

805219432 is a deficient number, since it is larger than the sum of its proper divisors (705044828).

805219432 is a wasteful number, since it uses less digits than its factorization.

805219432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31860 (or 31856 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 805219432 is about 28376.3886356245. The cubic root of 805219432 is about 930.3322634409.

The spelling of 805219432 in words is "eight hundred five million, two hundred nineteen thousand, four hundred thirty-two".