395909216 has 12 divisors (see below), whose sum is σ = 779446332. Its totient is φ = 197954592.

The previous prime is 395909207. The next prime is 395909219. The reversal of 395909216 is 612909593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395909219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186050 + ... + 6186113.

It is an arithmetic number, because the mean of its divisors is an integer number (64953861).

Almost surely, 2^395909216 is an apocalyptic number.

It is an amenable number.

395909216 is a deficient number, since it is larger than the sum of its proper divisors (383537116).

395909216 is a wasteful number, since it uses less digits than its factorization.

395909216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12372173 (or 12372165 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 395909216 is about 19897.4675775587. The cubic root of 395909216 is about 734.2859253267.

The spelling of 395909216 in words is "three hundred ninety-five million, nine hundred nine thousand, two hundred sixteen".