171896 has 8 divisors (see below), whose sum is σ = 322320. Its totient is φ = 85944.

The previous prime is 171889. The next prime is 171917. The reversal of 171896 is 698171.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

171896 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10736 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (40290).

2¹⁷¹⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

171896 is a deficient number, since it is larger than the sum of its proper divisors (150424).

171896 is a wasteful number, since it uses less digits than its factorization.

171896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21493 (or 21489 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 171896 is about 414.6034249738. The cubic root of 171896 is about 55.6017665881.

The spelling of 171896 in words is "one hundred seventy-one thousand, eight hundred ninety-six".