395632321 has 16 divisors (see below), whose sum is σ = 462246400. Its totient is φ = 338476320.

The previous prime is 395632319. The next prime is 395632327. The reversal of 395632321 is 123236593.

It is not a de Polignac number, because 395632321 - 2¹ = 395632319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (395632327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320776 + ... + 322006.

It is an arithmetic number, because the mean of its divisors is an integer number (28890400).

Almost surely, 2^395632321 is an apocalyptic number.

It is an amenable number.

395632321 is a deficient number, since it is larger than the sum of its proper divisors (66614079).

395632321 is an equidigital number, since it uses as much as digits as its factorization.

395632321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2175 counting only the distinct ones).

The product of its digits is 29160, while the sum is 34.

The square root of 395632321 is about 19890.5083142689. The cubic root of 395632321 is about 734.1147012922.

The spelling of 395632321 in words is "three hundred ninety-five million, six hundred thirty-two thousand, three hundred twenty-one".