394606375882 has 8 divisors (see below), whose sum is σ = 607907119716. Its totient is φ = 191970669312.

The previous prime is 394606375859. The next prime is 394606375901. The reversal of 394606375882 is 288573606493.

It can be written as a sum of positive squares in 2 ways, for example, as 393268206321 + 1338169561 = 627111^2 + 36581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 394606375882.

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 3 ways as a sum of consecutive naturals, for example, 2666259223 + ... + 2666259370.

Almost surely, 2^394606375882 is an apocalyptic number.

394606375882 is a deficient number, since it is larger than the sum of its proper divisors (213300743834).

394606375882 is a wasteful number, since it uses less digits than its factorization.

394606375882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332518632.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 394606375882 in words is "three hundred ninety-four billion, six hundred six million, three hundred seventy-five thousand, eight hundred eighty-two".