395545216 has 32 divisors (see below), whose sum is σ = 859639680. Its totient is φ = 179792640.

The previous prime is 395545193. The next prime is 395545219. The reversal of 395545216 is 612545593.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (395545219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139056 + ... + 141871.

It is an arithmetic number, because the mean of its divisors is an integer number (26863740).

Almost surely, 2^395545216 is an apocalyptic number.

It is an amenable number.

395545216 is an abundant number, since it is smaller than the sum of its proper divisors (464094464).

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

395545216 is a wasteful number, since it uses less digits than its factorization.

395545216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280952 (or 280940 counting only the distinct ones).

The product of its digits is 162000, while the sum is 40.

The square root of 395545216 is about 19888.3185815192. The cubic root of 395545216 is about 734.0608215061.

The spelling of 395545216 in words is "three hundred ninety-five million, five hundred forty-five thousand, two hundred sixteen".