804166 has 12 divisors (see below), whose sum is σ = 1326276. Its totient is φ = 365420.

The previous prime is 804161. The next prime is 804179. The reversal of 804166 is 661408.

It is a self number, because there is not a number n which added to its sum of digits gives 804166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1420 + ... + 1903.

It is an arithmetic number, because the mean of its divisors is an integer number (110523).

2⁸⁰⁴¹⁶⁶ is an apocalyptic number.

804166 is a deficient number, since it is larger than the sum of its proper divisors (522110).

804166 is a wasteful number, since it uses less digits than its factorization.

804166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 804166 is about 896.7530317763. The cubic root of 804166 is about 92.9926382580.

The spelling of 804166 in words is "eight hundred four thousand, one hundred sixty-six".