208804 has 6 divisors (see below), whose sum is σ = 365414. Its totient is φ = 104400.

The previous prime is 208799. The next prime is 208807. The reversal of 208804 is 408802.

It can be written as a sum of positive squares in only one way, i.e., 200704 + 8100 = 448^2 + 90^2 .

It is a super-2 number, since 2×208804² = 87198220832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208807) by changing a digit.

208804 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 as a sum of consecutive naturals, namely, 26097 + ... + 26104.

2²⁰⁸⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

208804 is a deficient number, since it is larger than the sum of its proper divisors (156610).

208804 is a wasteful number, since it uses less digits than its factorization.

208804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52205 (or 52203 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 208804 is about 456.9507632120. The cubic root of 208804 is about 59.3261644609.

The spelling of 208804 in words is "two hundred eight thousand, eight hundred four".