394318444 has 24 divisors (see below), whose sum is σ = 744513840. Its totient is φ = 181656384.

The previous prime is 394318427. The next prime is 394318453. The reversal of 394318444 is 444813493.

It is a super-2 number, since 2×394318444² = 310974070557162272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 394318397 and 394318406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22542 + ... + 36010.

It is an arithmetic number, because the mean of its divisors is an integer number (31021410).

Almost surely, 2^394318444 is an apocalyptic number.

It is an amenable number.

394318444 is a deficient number, since it is larger than the sum of its proper divisors (350195396).

394318444 is a wasteful number, since it uses less digits than its factorization.

394318444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049 (or 14047 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 394318444 is about 19857.4531096009. The cubic root of 394318444 is about 733.3011461538.

The spelling of 394318444 in words is "three hundred ninety-four million, three hundred eighteen thousand, four hundred forty-four".