394266164 has 12 divisors (see below), whose sum is σ = 690205824. Its totient is φ = 197064504.

The previous prime is 394266157. The next prime is 394266167. The reversal of 394266164 is 461662493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394266167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2894 + ... + 28229.

It is an arithmetic number, because the mean of its divisors is an integer number (57517152).

Almost surely, 2^394266164 is an apocalyptic number.

It is an amenable number.

394266164 is a deficient number, since it is larger than the sum of its proper divisors (295939660).

394266164 is a wasteful number, since it uses less digits than its factorization.

394266164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34294 (or 34292 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The square root of 394266164 is about 19856.1366836553. The cubic root of 394266164 is about 733.2687369180.

The spelling of 394266164 in words is "three hundred ninety-four million, two hundred sixty-six thousand, one hundred sixty-four".