804721116 has 48 divisors (see below), whose sum is σ = 1944986400. Its totient is φ = 258650112.

The previous prime is 804721111. The next prime is 804721123. The reversal of 804721116 is 611127408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804721111) 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 15 ways as a sum of consecutive naturals, for example, 517396 + ... + 518948.

It is an arithmetic number, because the mean of its divisors is an integer number (40520550).

Almost surely, 2^804721116 is an apocalyptic number.

It is an amenable number.

804721116 is an abundant number, since it is smaller than the sum of its proper divisors (1140265284).

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

804721116 is a wasteful number, since it uses less digits than its factorization.

804721116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 804721116 is about 28367.6068077658. The cubic root of 804721116 is about 930.1403095044.

The spelling of 804721116 in words is "eight hundred four million, seven hundred twenty-one thousand, one hundred sixteen".