395820159 has 32 divisors (see below), whose sum is σ = 625950720. Its totient is φ = 217684992.

The previous prime is 395820157. The next prime is 395820181. The reversal of 395820159 is 951028593.

It is not a de Polignac number, because 395820159 - 2¹ = 395820157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 395820159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395820151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232399 + ... + 234095.

It is an arithmetic number, because the mean of its divisors is an integer number (19560960).

Almost surely, 2^395820159 is an apocalyptic number.

395820159 is a deficient number, since it is larger than the sum of its proper divisors (230130561).

395820159 is a wasteful number, since it uses less digits than its factorization.

395820159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 395820159 is about 19895.2295538403. The cubic root of 395820159 is about 734.2308637091.

The spelling of 395820159 in words is "three hundred ninety-five million, eight hundred twenty thousand, one hundred fifty-nine".