394169 has 2 divisors, whose sum is σ = 394170. Its totient is φ = 394168.

The previous prime is 394157. The next prime is 394187. The reversal of 394169 is 961493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238144 + 156025 = 488^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 394169 - 2⁴ = 394153 is a prime.

It is a super-2 number, since 2×394169² = 310738401122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (394129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197084 + 197085.

It is an arithmetic number, because the mean of its divisors is an integer number (197085).

2³⁹⁴¹⁶⁹ is an apocalyptic number.

It is an amenable number.

394169 is a deficient number, since it is larger than the sum of its proper divisors (1).

394169 is an equidigital number, since it uses as much as digits as its factorization.

394169 is an odious number, because the sum of its binary digits is odd.

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

The square root of 394169 is about 627.8287983201. The cubic root of 394169 is about 73.3208495738.

The spelling of 394169 in words is "three hundred ninety-four thousand, one hundred sixty-nine".