173804 has 6 divisors (see below), whose sum is σ = 304164. Its totient is φ = 86900.

The previous prime is 173783. The next prime is 173807. The reversal of 173804 is 408371.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 173804.

It is not an unprimeable number, because it can be changed into a prime (173807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21722 + ... + 21729.

It is an arithmetic number, because the mean of its divisors is an integer number (50694).

2¹⁷³⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

173804 is a deficient number, since it is larger than the sum of its proper divisors (130360).

173804 is a wasteful number, since it uses less digits than its factorization.

173804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43455 (or 43453 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 173804 is about 416.8980690768. The cubic root of 173804 is about 55.8067317153.

The spelling of 173804 in words is "one hundred seventy-three thousand, eight hundred four".