169943 has 2 divisors, whose sum is σ = 169944. Its totient is φ = 169942.

The previous prime is 169937. The next prime is 169951. The reversal of 169943 is 349961.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84971 + 84972.

It is an arithmetic number, because the mean of its divisors is an integer number (84972).

2¹⁶⁹⁹⁴³ is an apocalyptic number.

169943 is a deficient number, since it is larger than the sum of its proper divisors (1).

169943 is an equidigital number, since it uses as much as digits as its factorization.

169943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 169943 is about 412.2414341136. The cubic root of 169943 is about 55.3903904927.

The spelling of 169943 in words is "one hundred sixty-nine thousand, nine hundred forty-three".