394321447381796 has 48 divisors (see below), whose sum is σ = 753666094104000. Its totient is φ = 179029756293120.

The previous prime is 394321447381769. The next prime is 394321447381843. The reversal of 394321447381796 is 697183744123493.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767932436 + ... + 768445748.

It is an arithmetic number, because the mean of its divisors is an integer number (15701376960500).

Almost surely, 2^{394321447381796} is an apocalyptic number.

It is an amenable number.

394321447381796 is a deficient number, since it is larger than the sum of its proper divisors (359344646722204).

394321447381796 is a wasteful number, since it uses less digits than its factorization.

394321447381796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533484 (or 533482 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 71.

The spelling of 394321447381796 in words is "three hundred ninety-four trillion, three hundred twenty-one billion, four hundred forty-seven million, three hundred eighty-one thousand, seven hundred ninety-six".