395115955 has 16 divisors (see below), whose sum is σ = 540648864. Its totient is φ = 274613760.

The previous prime is 395115947. The next prime is 395115977. The reversal of 395115955 is 559511593.

It is not a de Polignac number, because 395115955 - 2³ = 395115947 is a prime.

It is a super-2 number, since 2×395115955² = 312233235791124050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 177681 + ... + 179890.

It is an arithmetic number, because the mean of its divisors is an integer number (33790554).

Almost surely, 2^395115955 is an apocalyptic number.

395115955 is a deficient number, since it is larger than the sum of its proper divisors (145532909).

395115955 is a wasteful number, since it uses less digits than its factorization.

395115955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357606.

The product of its digits is 151875, while the sum is 43.

The square root of 395115955 is about 19877.5238649083. The cubic root of 395115955 is about 733.7951816366.

The spelling of 395115955 in words is "three hundred ninety-five million, one hundred fifteen thousand, nine hundred fifty-five".