169804 has 6 divisors (see below), whose sum is σ = 297164. Its totient is φ = 84900.

The previous prime is 169789. The next prime is 169817. The reversal of 169804 is 408961.

169804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21222 + ... + 21229.

2¹⁶⁹⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

169804 is a deficient number, since it is larger than the sum of its proper divisors (127360).

169804 is a wasteful number, since it uses less digits than its factorization.

169804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42455 (or 42453 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 169804 is about 412.0728091005. The cubic root of 169804 is about 55.3752847134.

The spelling of 169804 in words is "one hundred sixty-nine thousand, eight hundred four".