804216 has 32 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 229728.

The previous prime is 804211. The next prime is 804239. The reversal of 804216 is 612408.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 804192 and 804201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804211) by changing a digit.

804216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2226 + ... + 2561.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2⁸⁰⁴²¹⁶ is an apocalyptic number.

It is an amenable number.

804216 is an abundant number, since it is smaller than the sum of its proper divisors (1494024).

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

804216 is a wasteful number, since it uses less digits than its factorization.

804216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803 (or 4799 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 804216 is about 896.7809096987. The cubic root of 804216 is about 92.9945655282.

The spelling of 804216 in words is "eight hundred four thousand, two hundred sixteen".