395633128 has 32 divisors (see below), whose sum is σ = 824528160. Its totient is φ = 176438080.

The previous prime is 395633101. The next prime is 395633131. The reversal of 395633128 is 821336593.

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, 37750 + ... + 47077.

It is an arithmetic number, because the mean of its divisors is an integer number (25766505).

Almost surely, 2^395633128 is an apocalyptic number.

It is an amenable number.

395633128 is an abundant number, since it is smaller than the sum of its proper divisors (428895032).

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

395633128 is a wasteful number, since it uses less digits than its factorization.

395633128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84897 (or 84893 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 395633128 is about 19890.5286003163. The cubic root of 395633128 is about 734.1152004342.

The spelling of 395633128 in words is "three hundred ninety-five million, six hundred thirty-three thousand, one hundred twenty-eight".