170432 has 14 divisors (see below), whose sum is σ = 338328. Its totient is φ = 85184.

The previous prime is 170413. The next prime is 170441. The reversal of 170432 is 234071.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 170432.

It is a congruent number.

It is an unprimeable number.

170432 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268 + ... + 1395.

2¹⁷⁰⁴³² is an apocalyptic number.

It is an amenable number.

170432 is a deficient number, since it is larger than the sum of its proper divisors (167896).

170432 is an equidigital number, since it uses as much as digits as its factorization.

170432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675 (or 2665 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 170432 is about 412.8341071181. The cubic root of 170432 is about 55.4434670401.

The spelling of 170432 in words is "one hundred seventy thousand, four hundred thirty-two".