170841 has 16 divisors (see below), whose sum is σ = 258048. Its totient is φ = 99600.

The previous prime is 170837. The next prime is 170843. The reversal of 170841 is 148071.

170841 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 170841 - 2² = 170837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (170843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940 + ... + 1106.

It is an arithmetic number, because the mean of its divisors is an integer number (16128).

2¹⁷⁰⁸⁴¹ is an apocalyptic number.

170841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

170841 is a deficient number, since it is larger than the sum of its proper divisors (87207).

170841 is a wasteful number, since it uses less digits than its factorization.

170841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 170841 is about 413.3291666457. The cubic root of 170841 is about 55.4877823930.

Subtracting from 170841 its sum of digits (21), we obtain a triangular number (170820 = T₅₈₄).

The spelling of 170841 in words is "one hundred seventy thousand, eight hundred forty-one".