394444444398 has 8 divisors (see below), whose sum is σ = 788888888808. Its totient is φ = 131481481464.

The previous prime is 394444444391. The next prime is 394444444399. The reversal of 394444444398 is 893444444493.

It is a happy number.

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

394444444398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394444444391) by changing a digit.

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, 32870370361 + ... + 32870370372.

It is an arithmetic number, because the mean of its divisors is an integer number (98611111101).

Almost surely, 2^394444444398 is an apocalyptic number.

394444444398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394444444398 is a wasteful number, since it uses less digits than its factorization.

394444444398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65740740738.

The product of its digits is 95551488, while the sum is 60.

The spelling of 394444444398 in words is "three hundred ninety-four billion, four hundred forty-four million, four hundred forty-four thousand, three hundred ninety-eight".