394375466 has 16 divisors (see below), whose sum is σ = 612748800. Its totient is φ = 190143408.

The previous prime is 394375447. The next prime is 394375481. The reversal of 394375466 is 664573493.

It is a self number, because there is not a number n which added to its sum of digits gives 394375466.

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, 46115 + ... + 53993.

It is an arithmetic number, because the mean of its divisors is an integer number (38296800).

Almost surely, 2^394375466 is an apocalyptic number.

394375466 is a deficient number, since it is larger than the sum of its proper divisors (218373334).

394375466 is a wasteful number, since it uses less digits than its factorization.

394375466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773.

The product of its digits is 1632960, while the sum is 47.

The square root of 394375466 is about 19858.8888410203. Note that the first 4 decimals coincide. The cubic root of 394375466 is about 733.3364917678.

The spelling of 394375466 in words is "three hundred ninety-four million, three hundred seventy-five thousand, four hundred sixty-six".