340169 has 2 divisors, whose sum is σ = 340170. Its totient is φ = 340168.

The previous prime is 340129. The next prime is 340183. The reversal of 340169 is 961043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313600 + 26569 = 560^2 + 163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340169 is a prime.

It is a super-2 number, since 2×340169² = 231429897122, which contains 22 as substring.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (340129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170084 + 170085.

It is an arithmetic number, because the mean of its divisors is an integer number (170085).

2³⁴⁰¹⁶⁹ is an apocalyptic number.

It is an amenable number.

340169 is a deficient number, since it is larger than the sum of its proper divisors (1).

340169 is an equidigital number, since it uses as much as digits as its factorization.

340169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 340169 is about 583.2400877855. The cubic root of 340169 is about 69.8068826802.

The spelling of 340169 in words is "three hundred forty thousand, one hundred sixty-nine".