394316164 has 12 divisors (see below), whose sum is σ = 752785488. Its totient is φ = 179234600.

The previous prime is 394316159. The next prime is 394316171. The reversal of 394316164 is 461613493.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4480822 + ... + 4480909.

It is an arithmetic number, because the mean of its divisors is an integer number (62732124).

Almost surely, 2^394316164 is an apocalyptic number.

It is an amenable number.

394316164 is a deficient number, since it is larger than the sum of its proper divisors (358469324).

394316164 is a wasteful number, since it uses less digits than its factorization.

394316164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8961746 (or 8961744 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 394316164 is about 19857.3957003430. The cubic root of 394316164 is about 733.2997328039.

The spelling of 394316164 in words is "three hundred ninety-four million, three hundred sixteen thousand, one hundred sixty-four".