395885565 has 12 divisors (see below), whose sum is σ = 686201724. Its totient is φ = 211138944.

The previous prime is 395885561. The next prime is 395885569. The reversal of 395885565 is 565588593.

395885565 is a `hidden beast` number, since 3 + 9 + 5 + 88 + 556 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (395885561) and next prime (395885569).

It can be written as a sum of positive squares in 2 ways, for example, as 274929561 + 120956004 = 16581^2 + 10998^2 .

It is not a de Polignac number, because 395885565 - 2² = 395885561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395885561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4398684 + ... + 4398773.

It is an arithmetic number, because the mean of its divisors is an integer number (57183477).

Almost surely, 2^395885565 is an apocalyptic number.

It is an amenable number.

395885565 is a deficient number, since it is larger than the sum of its proper divisors (290316159).

395885565 is a wasteful number, since it uses less digits than its factorization.

395885565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8797468 (or 8797465 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 54.

The square root of 395885565 is about 19896.8732468195. The cubic root of 395885565 is about 734.2713033363.

The spelling of 395885565 in words is "three hundred ninety-five million, eight hundred eighty-five thousand, five hundred sixty-five".