811204 has 12 divisors (see below), whose sum is σ = 1430800. Its totient is φ = 402408.

The previous prime is 811199. The next prime is 811207. The reversal of 811204 is 402118.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (811207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174 + ... + 1285.

2⁸¹¹²⁰⁴ is an apocalyptic number.

It is an amenable number.

811204 is a deficient number, since it is larger than the sum of its proper divisors (619596).

811204 is a wasteful number, since it uses less digits than its factorization.

811204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 811204 is about 900.6686405110. The cubic root of 811204 is about 93.2631388311.

The spelling of 811204 in words is "eight hundred eleven thousand, two hundred four".