804870 has 64 divisors (see below), whose sum is σ = 2350080. Its totient is φ = 194400.

The previous prime is 804857. The next prime is 804877. The reversal of 804870 is 78408.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2835 + ... + 3105.

It is an arithmetic number, because the mean of its divisors is an integer number (36720).

2⁸⁰⁴⁸⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175040).

804870 is an abundant number, since it is smaller than the sum of its proper divisors (1545210).

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

804870 is a wasteful number, since it uses less digits than its factorization.

804870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 804870 is about 897.1454731536. The cubic root of 804870 is about 93.0197668701.

It can be divided in two parts, 8048 and 70, that added together give a palindrome (8118).

The spelling of 804870 in words is "eight hundred four thousand, eight hundred seventy".