395855457 has 16 divisors (see below), whose sum is σ = 532097280. Its totient is φ = 261766800.

The previous prime is 395855441. The next prime is 395855483. The reversal of 395855457 is 754558593.

It is a happy number.

It is not a de Polignac number, because 395855457 - 2⁴ = 395855441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (395853457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305982 + ... + 307272.

It is an arithmetic number, because the mean of its divisors is an integer number (33256080).

Almost surely, 2^395855457 is an apocalyptic number.

It is an amenable number.

395855457 is a deficient number, since it is larger than the sum of its proper divisors (136241823).

395855457 is a wasteful number, since it uses less digits than its factorization.

395855457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its digits is 3780000, while the sum is 51.

The square root of 395855457 is about 19896.1166311419. The cubic root of 395855457 is about 734.2526885287.

The spelling of 395855457 in words is "three hundred ninety-five million, eight hundred fifty-five thousand, four hundred fifty-seven".