804563424 has 144 divisors (see below), whose sum is σ = 2623132512. Its totient is φ = 229146624.

The previous prime is 804563401. The next prime is 804563519. The reversal of 804563424 is 424365408.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195152 + ... + 1195824.

It is an arithmetic number, because the mean of its divisors is an integer number (18216198).

Almost surely, 2^804563424 is an apocalyptic number.

804563424 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804563424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311566256).

804563424 is an abundant number, since it is smaller than the sum of its proper divisors (1818569088).

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

804563424 is a wasteful number, since it uses less digits than its factorization.

804563424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 804563424 is about 28364.8272337414. The cubic root of 804563424 is about 930.0795492135.

The spelling of 804563424 in words is "eight hundred four million, five hundred sixty-three thousand, four hundred twenty-four".