805478346 has 12 divisors (see below), whose sum is σ = 1745203122. Its totient is φ = 268492776.

The previous prime is 805478329. The next prime is 805478347. The reversal of 805478346 is 643874508.

It can be written as a sum of positive squares in only one way, i.e., 797441121 + 8037225 = 28239^2 + 2835^2 .

It is not an unprimeable number, because it can be changed into a prime (805478347) 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 5 ways as a sum of consecutive naturals, for example, 22374381 + ... + 22374416.

Almost surely, 2^805478346 is an apocalyptic number.

805478346 is an abundant number, since it is smaller than the sum of its proper divisors (939724776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805478346 is a wasteful number, since it uses less digits than its factorization.

805478346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44748805 (or 44748802 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 805478346 is about 28380.9504069191. The cubic root of 805478346 is about 930.4319672091.

The spelling of 805478346 in words is "eight hundred five million, four hundred seventy-eight thousand, three hundred forty-six".