867804 has 24 divisors (see below), whose sum is σ = 2314368. Its totient is φ = 247920.

The previous prime is 867803. The next prime is 867817. The reversal of 867804 is 408768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5082 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (96432).

2⁸⁶⁷⁸⁰⁴ is an apocalyptic number.

867804 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

867804 is an abundant number, since it is smaller than the sum of its proper divisors (1446564).

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

867804 is a wasteful number, since it uses less digits than its factorization.

867804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10345 (or 10343 counting only the distinct ones).

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

The square root of 867804 is about 931.5599819657. The cubic root of 867804 is about 95.3836379606.

The spelling of 867804 in words is "eight hundred sixty-seven thousand, eight hundred four".