395161069 has 6 divisors (see below), whose sum is σ = 417054030. Its totient is φ = 374362776.

The previous prime is 395161051. The next prime is 395161093. The reversal of 395161069 is 960161593.

It can be written as a sum of positive squares in only one way, i.e., 368256100 + 26904969 = 19190^2 + 5187^2 .

It is not a de Polignac number, because 395161069 - 2⁵ = 395161037 is a prime.

It is a super-2 number, since 2×395161069² = 312304540906445522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395161769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 546954 + ... + 547675.

It is an arithmetic number, because the mean of its divisors is an integer number (69509005).

Almost surely, 2^395161069 is an apocalyptic number.

It is an amenable number.

395161069 is a deficient number, since it is larger than the sum of its proper divisors (21892961).

395161069 is a wasteful number, since it uses less digits than its factorization.

395161069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094667 (or 1094648 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 395161069 is about 19878.6586318091. The cubic root of 395161069 is about 733.8231086080.

The spelling of 395161069 in words is "three hundred ninety-five million, one hundred sixty-one thousand, sixty-nine".