804320 has 48 divisors (see below), whose sum is σ = 2077488. Its totient is φ = 291840.

The previous prime is 804317. The next prime is 804329. The reversal of 804320 is 23408.

804320 = T₉ + T₁₀ + ... + T₁₆₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804329) 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, 1532 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (43281).

2⁸⁰⁴³²⁰ is an apocalyptic number.

804320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038744).

804320 is an abundant number, since it is smaller than the sum of its proper divisors (1273168).

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

804320 is a wasteful number, since it uses less digits than its factorization.

804320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 804320 is about 896.8388930014. The cubic root of 804320 is about 92.9985739944.

Adding to 804320 its reverse (23408), we get a palindrome (827728).

The spelling of 804320 in words is "eight hundred four thousand, three hundred twenty".