394606441187 has 16 divisors (see below), whose sum is σ = 463307965440. Its totient is φ = 328992759648.

The previous prime is 394606441181. The next prime is 394606441213. The reversal of 394606441187 is 781144606493.

It is not a de Polignac number, because 394606441187 - 2⁴ = 394606441171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394606441181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630098 + ... + 1089144.

It is an arithmetic number, because the mean of its divisors is an integer number (28956747840).

Almost surely, 2^394606441187 is an apocalyptic number.

394606441187 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

394606441187 is a deficient number, since it is larger than the sum of its proper divisors (68701524253).

394606441187 is a wasteful number, since it uses less digits than its factorization.

394606441187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462410.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 394606441187 in words is "three hundred ninety-four billion, six hundred six million, four hundred forty-one thousand, one hundred eighty-seven".