394466 has 4 divisors (see below), whose sum is σ = 591702. Its totient is φ = 197232.

The previous prime is 394453. The next prime is 394481. The reversal of 394466 is 664493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 108241 = 535^2 + 329^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98615 + ... + 98618.

2³⁹⁴⁴⁶⁶ is an apocalyptic number.

394466 is a deficient number, since it is larger than the sum of its proper divisors (197236).

394466 is a wasteful number, since it uses less digits than its factorization.

394466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197235.

The product of its digits is 15552, while the sum is 32.

The square root of 394466 is about 628.0652832310. The cubic root of 394466 is about 73.3392603107.

The spelling of 394466 in words is "three hundred ninety-four thousand, four hundred sixty-six".