394755216 has 40 divisors (see below), whose sum is σ = 1044662304. Its totient is φ = 128375040.

The previous prime is 394755211. The next prime is 394755247. The reversal of 394755216 is 612557493.

It is not an unprimeable number, because it can be changed into a prime (394755211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98326 + ... + 102261.

Almost surely, 2^394755216 is an apocalyptic number.

It is an amenable number.

394755216 is an abundant number, since it is smaller than the sum of its proper divisors (649907088).

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

394755216 is a wasteful number, since it uses less digits than its factorization.

394755216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200639 (or 200633 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 394755216 is about 19868.4477501389. The cubic root of 394755216 is about 733.5717964617.

The spelling of 394755216 in words is "three hundred ninety-four million, seven hundred fifty-five thousand, two hundred sixteen".