394648312 has 16 divisors (see below), whose sum is σ = 741987360. Its totient is φ = 196785024.

The previous prime is 394648307. The next prime is 394648351. The reversal of 394648312 is 213846493.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64273 + ... + 70144.

It is an arithmetic number, because the mean of its divisors is an integer number (46374210).

Almost surely, 2^394648312 is an apocalyptic number.

It is an amenable number.

394648312 is a deficient number, since it is larger than the sum of its proper divisors (347339048).

394648312 is a wasteful number, since it uses less digits than its factorization.

394648312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134790 (or 134786 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 394648312 is about 19865.7572722512. The cubic root of 394648312 is about 733.5055707465.

The spelling of 394648312 in words is "three hundred ninety-four million, six hundred forty-eight thousand, three hundred twelve".