394011843304 has 8 divisors (see below), whose sum is σ = 738772206210. Its totient is φ = 197005921648.

The previous prime is 394011843217. The next prime is 394011843317. The reversal of 394011843304 is 403348110493.

It can be written as a sum of positive squares in only one way, i.e., 369296859204 + 24714984100 = 607698^2 + 157210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24625740199 + ... + 24625740214.

Almost surely, 2^394011843304 is an apocalyptic number.

It is an amenable number.

394011843304 is a deficient number, since it is larger than the sum of its proper divisors (344760362906).

394011843304 is a wasteful number, since it uses less digits than its factorization.

394011843304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49251480419 (or 49251480415 counting only the distinct ones).

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

Adding to 394011843304 its reverse (403348110493), we get a palindrome (797359953797).

The spelling of 394011843304 in words is "three hundred ninety-four billion, eleven million, eight hundred forty-three thousand, three hundred four".