170449 has 4 divisors (see below), whose sum is σ = 179440. Its totient is φ = 161460.

The previous prime is 170447. The next prime is 170473. The reversal of 170449 is 944071.

170449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 170449 - 2¹ = 170447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4467 + ... + 4504.

It is an arithmetic number, because the mean of its divisors is an integer number (44860).

2¹⁷⁰⁴⁴⁹ is an apocalyptic number.

170449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

170449 is a deficient number, since it is larger than the sum of its proper divisors (8991).

170449 is an equidigital number, since it uses as much as digits as its factorization.

170449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 170449 is about 412.8546959888. The cubic root of 170449 is about 55.4453104099.

The spelling of 170449 in words is "one hundred seventy thousand, four hundred forty-nine".