804398612 has 6 divisors (see below), whose sum is σ = 1407697578. Its totient is φ = 402199304.

The previous prime is 804398603. The next prime is 804398629. The reversal of 804398612 is 216893408.

804398612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 799532176 + 4866436 = 28276^2 + 2206^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 804398612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100549823 + ... + 100549830.

It is an arithmetic number, because the mean of its divisors is an integer number (234616263).

Almost surely, 2^804398612 is an apocalyptic number.

It is an amenable number.

804398612 is a deficient number, since it is larger than the sum of its proper divisors (603298966).

804398612 is a wasteful number, since it uses less digits than its factorization.

804398612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201099657 (or 201099655 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 804398612 is about 28361.9218671796. The cubic root of 804398612 is about 930.0160370303.

The spelling of 804398612 in words is "eight hundred four million, three hundred ninety-eight thousand, six hundred twelve".