394111394 has 16 divisors (see below), whose sum is σ = 617317632. Its totient is φ = 188351328.

The previous prime is 394111379. The next prime is 394111447. The reversal of 394111394 is 493111493.

It is a super-3 number, since 3×394111394³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92822 + ... + 96974.

It is an arithmetic number, because the mean of its divisors is an integer number (38582352).

Almost surely, 2^394111394 is an apocalyptic number.

394111394 is a deficient number, since it is larger than the sum of its proper divisors (223206238).

394111394 is a wasteful number, since it uses less digits than its factorization.

394111394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241.

The product of its digits is 11664, while the sum is 35.

The square root of 394111394 is about 19852.2390172998. The cubic root of 394111394 is about 733.1727756394.

Subtracting 394111394 from its reverse (493111493), we obtain a palindrome (99000099).

The spelling of 394111394 in words is "three hundred ninety-four million, one hundred eleven thousand, three hundred ninety-four".