394016684 has 24 divisors (see below), whose sum is σ = 733149648. Its totient is φ = 184642560.

The previous prime is 394016671. The next prime is 394016719. The reversal of 394016684 is 486610493.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4367 + ... + 28409.

It is an arithmetic number, because the mean of its divisors is an integer number (30547902).

Almost surely, 2^394016684 is an apocalyptic number.

394016684 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

394016684 is a deficient number, since it is larger than the sum of its proper divisors (339132964).

394016684 is a wasteful number, since it uses less digits than its factorization.

394016684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24305 (or 24303 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 394016684 is about 19849.8535007188. The cubic root of 394016684 is about 733.1140406745.

The spelling of 394016684 in words is "three hundred ninety-four million, sixteen thousand, six hundred eighty-four".