804450 has 48 divisors (see below), whose sum is σ = 2071296. Its totient is φ = 206400.

The previous prime is 804449. The next prime is 804473. The reversal of 804450 is 54408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4564 + ... + 4736.

It is an arithmetic number, because the mean of its divisors is an integer number (43152).

2⁸⁰⁴⁴⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035648).

804450 is an abundant number, since it is smaller than the sum of its proper divisors (1266846).

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

804450 is a wasteful number, since it uses less digits than its factorization.

804450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 804450 is about 896.9113668585. The cubic root of 804450 is about 93.0035840913.

Adding to 804450 its reverse (54408), we get a palindrome (858858).

The spelling of 804450 in words is "eight hundred four thousand, four hundred fifty".