804340 has 24 divisors (see below), whose sum is σ = 1707552. Its totient is φ = 318240.

The previous prime is 804337. The next prime is 804341. The reversal of 804340 is 43408.

804340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (71148).

2⁸⁰⁴³⁴⁰ is an apocalyptic number.

It is an amenable number.

804340 is an abundant number, since it is smaller than the sum of its proper divisors (903212).

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

804340 is a wasteful number, since it uses less digits than its factorization.

804340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 804340 is about 896.8500432068. The cubic root of 804340 is about 92.9993448137. Note that the first 3 decimals are identical.

Adding to 804340 its reverse (43408), we get a palindrome (847748).

The spelling of 804340 in words is "eight hundred four thousand, three hundred forty".