171049329 has 12 divisors (see below), whose sum is σ = 269532432. Its totient is φ = 103666200.

The previous prime is 171049303. The next prime is 171049339. The reversal of 171049329 is 923940171.

It is not a de Polignac number, because 171049329 - 2¹⁵ = 171016561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171049293 and 171049302.

It is not an unprimeable number, because it can be changed into a prime (171049339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 863787 + ... + 863984.

It is an arithmetic number, because the mean of its divisors is an integer number (22461036).

Almost surely, 2^171049329 is an apocalyptic number.

It is an amenable number.

171049329 is a deficient number, since it is larger than the sum of its proper divisors (98483103).

171049329 is a wasteful number, since it uses less digits than its factorization.

171049329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727788 (or 1727785 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 171049329 is about 13078.5828360721. The cubic root of 171049329 is about 555.1032775906.

The spelling of 171049329 in words is "one hundred seventy-one million, forty-nine thousand, three hundred twenty-nine".