804678 has 64 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 206976.

The previous prime is 804653. The next prime is 804689. The reversal of 804678 is 876408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34975 + ... + 34997.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2⁸⁰⁴⁶⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036800).

804678 is an abundant number, since it is smaller than the sum of its proper divisors (1268922).

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

804678 is a wasteful number, since it uses less digits than its factorization.

804678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 52 counting only the distinct ones).

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

The square root of 804678 is about 897.0384607139. The cubic root of 804678 is about 93.0123697271.

The spelling of 804678 in words is "eight hundred four thousand, six hundred seventy-eight".