170349 has 4 divisors (see below), whose sum is σ = 227136. Its totient is φ = 113564.

The previous prime is 170347. The next prime is 170351. The reversal of 170349 is 943071.

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, and also an emirpimes, since its reverse is a distinct semiprime: 943071 = 3 ⋅314357.

It is an interprime number because it is at equal distance from previous prime (170347) and next prime (170351).

It is a cyclic number.

It is not a de Polignac number, because 170349 - 2¹ = 170347 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 170349.

It is not an unprimeable number, because it can be changed into a prime (170341) 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, 28389 + ... + 28394.

It is an arithmetic number, because the mean of its divisors is an integer number (56784).

2¹⁷⁰³⁴⁹ is an apocalyptic number.

It is an amenable number.

170349 is a deficient number, since it is larger than the sum of its proper divisors (56787).

170349 is an equidigital number, since it uses as much as digits as its factorization.

170349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56786.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 170349 is about 412.7335702363. The cubic root of 170349 is about 55.4344652975.

The spelling of 170349 in words is "one hundred seventy thousand, three hundred forty-nine".