805976316 has 72 divisors (see below), whose sum is σ = 2109464448. Its totient is φ = 259200000.

The previous prime is 805976287. The next prime is 805976357. The reversal of 805976316 is 613679508.

It is a happy number.

805976316 is a `hidden beast` number, since 8 + 0 + 5 + 9 + 7 + 631 + 6 = 666.

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 23 ways as a sum of consecutive naturals, for example, 446616 + ... + 448416.

Almost surely, 2^805976316 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 805976316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054732224).

805976316 is an abundant number, since it is smaller than the sum of its proper divisors (1303488132).

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

805976316 is a wasteful number, since it uses less digits than its factorization.

805976316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 805976316 is about 28389.7220134330. The cubic root of 805976316 is about 930.6236676900.

The spelling of 805976316 in words is "eight hundred five million, nine hundred seventy-six thousand, three hundred sixteen".