395963617 has 4 divisors (see below), whose sum is σ = 452529856. Its totient is φ = 339397380.

The previous prime is 395963587. The next prime is 395963641. The reversal of 395963617 is 716369593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 395963617 - 2¹⁵ = 395930849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395963657) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28283109 + ... + 28283122.

It is an arithmetic number, because the mean of its divisors is an integer number (113132464).

Almost surely, 2^395963617 is an apocalyptic number.

It is an amenable number.

395963617 is a deficient number, since it is larger than the sum of its proper divisors (56566239).

395963617 is an equidigital number, since it uses as much as digits as its factorization.

395963617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56566238.

The product of its digits is 918540, while the sum is 49.

The square root of 395963617 is about 19898.8345638633. The cubic root of 395963617 is about 734.3195559820.

It can be divided in two parts, 3959 and 63617, that added together give a palindrome (67576).

The spelling of 395963617 in words is "three hundred ninety-five million, nine hundred sixty-three thousand, six hundred seventeen".