804736 has 16 divisors (see below), whose sum is σ = 1603440. Its totient is φ = 402304.

The previous prime is 804709. The next prime is 804743. The reversal of 804736 is 637408.

It is a tau number, because it is divible by the number of its divisors (16).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

804736 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3016 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (100215).

2⁸⁰⁴⁷³⁶ is an apocalyptic number.

It is an amenable number.

804736 is a deficient number, since it is larger than the sum of its proper divisors (798704).

804736 is an equidigital number, since it uses as much as digits as its factorization.

804736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301 (or 6289 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 804736 is about 897.0707887341. The cubic root of 804736 is about 93.0146044047.

It can be divided in two parts, 804 and 736, that added together give a triangular number (1540 = T₅₅).

The spelling of 804736 in words is "eight hundred four thousand, seven hundred thirty-six".