394606448782 has 192 divisors, whose sum is σ = 792685160064. Its totient is φ = 143386214400.

The previous prime is 394606448749. The next prime is 394606448827. The reversal of 394606448782 is 287844606493.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 394606448782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 984055782 + ... + 984056182.

It is an arithmetic number, because the mean of its divisors is an integer number (4128568542).

Almost surely, 2^394606448782 is an apocalyptic number.

394606448782 is an abundant number, since it is smaller than the sum of its proper divisors (398078711282).

394606448782 is a wasteful number, since it uses less digits than its factorization.

394606448782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 394606448782 in words is "three hundred ninety-four billion, six hundred six million, four hundred forty-eight thousand, seven hundred eighty-two".