395443728 has 40 divisors (see below), whose sum is σ = 1135071200. Its totient is φ = 131814432.

The previous prime is 395443717. The next prime is 395443733. The reversal of 395443728 is 827344593.

395443728 is a `hidden beast` number, since 39 + 544 + 3 + 72 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457258 + ... + 458121.

It is an arithmetic number, because the mean of its divisors is an integer number (28376780).

Almost surely, 2^395443728 is an apocalyptic number.

It is an amenable number.

395443728 is an abundant number, since it is smaller than the sum of its proper divisors (739627472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395443728 is a wasteful number, since it uses less digits than its factorization.

395443728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915396 (or 915384 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 395443728 is about 19885.7669703736. The cubic root of 395443728 is about 733.9980349741.

The spelling of 395443728 in words is "three hundred ninety-five million, four hundred forty-three thousand, seven hundred twenty-eight".