804687 has 16 divisors (see below), whose sum is σ = 1182720. Its totient is φ = 483552.

The previous prime is 804653. The next prime is 804689. The reversal of 804687 is 786408.

It is a de Polignac number, because none of the positive numbers 2^k-804687 is a prime.

804687 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 804687.

It is not an unprimeable number, because it can be changed into a prime (804689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1614 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2⁸⁰⁴⁶⁸⁷ is an apocalyptic number.

804687 is a deficient number, since it is larger than the sum of its proper divisors (378033).

804687 is a wasteful number, since it uses less digits than its factorization.

804687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 804687 is about 897.0434772072. The cubic root of 804687 is about 93.0127164944.

The spelling of 804687 in words is "eight hundred four thousand, six hundred eighty-seven".