805347894 has 32 divisors (see below), whose sum is σ = 1748275200. Its totient is φ = 245845152.

The previous prime is 805347877. The next prime is 805347937. The reversal of 805347894 is 498743508.

It is a super-4 number, since 4×805347894⁴ (a number of 37 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30744 + ... + 50555.

It is an arithmetic number, because the mean of its divisors is an integer number (54633600).

Almost surely, 2^805347894 is an apocalyptic number.

805347894 is an abundant number, since it is smaller than the sum of its proper divisors (942927306).

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

805347894 is a wasteful number, since it uses less digits than its factorization.

805347894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81444.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 805347894 is about 28378.6520821550. The cubic root of 805347894 is about 930.3817348369.

The spelling of 805347894 in words is "eight hundred five million, three hundred forty-seven thousand, eight hundred ninety-four".