395111005 has 8 divisors (see below), whose sum is σ = 474484824. Its totient is φ = 315854400.

The previous prime is 395110943. The next prime is 395111039. The reversal of 395111005 is 500111593.

It can be written as a sum of positive squares in 4 ways, for example, as 144648729 + 250462276 = 12027^2 + 15826^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 395111005 - 2⁹ = 395110493 is a prime.

It is a super-2 number, since 2×395111005² = 312225412544220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21706 + ... + 35515.

It is an arithmetic number, because the mean of its divisors is an integer number (59310603).

Almost surely, 2^395111005 is an apocalyptic number.

It is an amenable number.

395111005 is a deficient number, since it is larger than the sum of its proper divisors (79373819).

395111005 is a wasteful number, since it uses less digits than its factorization.

395111005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58607.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 395111005 is about 19877.3993520279. The cubic root of 395111005 is about 733.7921173030.

Adding to 395111005 its reverse (500111593), we get a palindrome (895222598).

The spelling of 395111005 in words is "three hundred ninety-five million, one hundred eleven thousand, five".