804505244 has 12 divisors (see below), whose sum is σ = 1409540664. Its totient is φ = 401779344.

The previous prime is 804505243. The next prime is 804505259. The reversal of 804505244 is 442505408.

It is a self number, because there is not a number n which added to its sum of digits gives 804505244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804505243) 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 3 ways as a sum of consecutive naturals, for example, 114482 + ... + 121305.

It is an arithmetic number, because the mean of its divisors is an integer number (117461722).

Almost surely, 2^804505244 is an apocalyptic number.

It is an amenable number.

804505244 is a deficient number, since it is larger than the sum of its proper divisors (605035420).

804505244 is a wasteful number, since it uses less digits than its factorization.

804505244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236644 (or 236642 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 804505244 is about 28363.8016492853. The cubic root of 804505244 is about 930.0571298777.

The spelling of 804505244 in words is "eight hundred four million, five hundred five thousand, two hundred forty-four".