395864055 has 24 divisors (see below), whose sum is σ = 686640240. Its totient is φ = 210981120.

The previous prime is 395864041. The next prime is 395864059. The reversal of 395864055 is 550468593.

It is not a de Polignac number, because 395864055 - 2¹⁵ = 395831287 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 395864055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395864059) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 103375 + ... + 107135.

It is an arithmetic number, because the mean of its divisors is an integer number (28610010).

Almost surely, 2^395864055 is an apocalyptic number.

395864055 is a deficient number, since it is larger than the sum of its proper divisors (290776185).

395864055 is a wasteful number, since it uses less digits than its factorization.

395864055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111 (or 6108 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 395864055 is about 19896.3327022846. The cubic root of 395864055 is about 734.2580044917.

The spelling of 395864055 in words is "three hundred ninety-five million, eight hundred sixty-four thousand, fifty-five".