171085804 has 12 divisors (see below), whose sum is σ = 315158200. Its totient is φ = 81040608.

The previous prime is 171085769. The next prime is 171085813. The reversal of 171085804 is 408580171.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 171085804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125489 + ... + 1125640.

Almost surely, 2^171085804 is an apocalyptic number.

It is an amenable number.

171085804 is a deficient number, since it is larger than the sum of its proper divisors (144072396).

171085804 is a wasteful number, since it uses less digits than its factorization.

171085804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251152 (or 2251150 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 171085804 is about 13079.9772171055. The cubic root of 171085804 is about 555.1427320044.

The spelling of 171085804 in words is "one hundred seventy-one million, eighty-five thousand, eight hundred four".