805797456 has 160 divisors (see below), whose sum is σ = 2249856000. Its totient is φ = 247931904.

The previous prime is 805797431. The next prime is 805797491. The reversal of 805797456 is 654797508.

It is a junction number, because it is equal to n+sod(n) for n = 805797399 and 805797408.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5797035 + ... + 5797173.

It is an arithmetic number, because the mean of its divisors is an integer number (14061600).

Almost surely, 2^805797456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805797456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124928000).

805797456 is an abundant number, since it is smaller than the sum of its proper divisors (1444058544).

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

805797456 is a wasteful number, since it uses less digits than its factorization.

805797456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 805797456 is about 28386.5717549689. The cubic root of 805797456 is about 930.5548221337.

The spelling of 805797456 in words is "eight hundred five million, seven hundred ninety-seven thousand, four hundred fifty-six".