171402 has 48 divisors (see below), whose sum is σ = 443232. Its totient is φ = 43680.

The previous prime is 171401. The next prime is 171403. The reversal of 171402 is 204171.

171402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (171401) and next prime (171403).

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 171402.

It is not an unprimeable number, because it can be changed into a prime (171401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3208 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (9234).

2¹⁷¹⁴⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221616).

171402 is an abundant number, since it is smaller than the sum of its proper divisors (271830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171402 is a wasteful number, since it uses less digits than its factorization.

171402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 171402 is about 414.0072463134. The cubic root of 171402 is about 55.5484521288.

Adding to 171402 its reverse (204171), we get a palindrome (375573).

The spelling of 171402 in words is "one hundred seventy-one thousand, four hundred two", and thus it is an iban number.