171004 has 6 divisors (see below), whose sum is σ = 299264. Its totient is φ = 85500.

The previous prime is 170971. The next prime is 171007. The reversal of 171004 is 400171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21372 + ... + 21379.

2¹⁷¹⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

171004 is a deficient number, since it is larger than the sum of its proper divisors (128260).

171004 is a wasteful number, since it uses less digits than its factorization.

171004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42755 (or 42753 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 171004 is about 413.5262990428. The cubic root of 171004 is about 55.5054238132.

Adding to 171004 its reverse (400171), we get a palindrome (571175).

The spelling of 171004 in words is "one hundred seventy-one thousand, four", and thus it is an iban number.