394616208872 has 16 divisors (see below), whose sum is σ = 739914510240. Its totient is φ = 197305672816.

The previous prime is 394616208859. The next prime is 394616208913. The reversal of 394616208872 is 278802616493.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515813 + ... + 1027275.

It is an arithmetic number, because the mean of its divisors is an integer number (46244656890).

Almost surely, 2^394616208872 is an apocalyptic number.

It is an amenable number.

394616208872 is a deficient number, since it is larger than the sum of its proper divisors (345298301368).

394616208872 is a wasteful number, since it uses less digits than its factorization.

394616208872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607912 (or 607908 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 394616208872 in words is "three hundred ninety-four billion, six hundred sixteen million, two hundred eight thousand, eight hundred seventy-two".