395085169 has 2 divisors, whose sum is σ = 395085170. Its totient is φ = 395085168.

The previous prime is 395085137. The next prime is 395085179. The reversal of 395085169 is 961580593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370947600 + 24137569 = 19260^2 + 4913^2 .

It is a cyclic number.

It is not a de Polignac number, because 395085169 - 2⁵ = 395085137 is a prime.

It is a super-2 number, since 2×395085169² = 312184581527517122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (395085179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197542584 + 197542585.

It is an arithmetic number, because the mean of its divisors is an integer number (197542585).

Almost surely, 2^395085169 is an apocalyptic number.

It is an amenable number.

395085169 is a deficient number, since it is larger than the sum of its proper divisors (1).

395085169 is an equidigital number, since it uses as much as digits as its factorization.

395085169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 395085169 is about 19876.7494575949. The cubic root of 395085169 is about 733.7761229232.

The spelling of 395085169 in words is "three hundred ninety-five million, eighty-five thousand, one hundred sixty-nine".