394238 has 16 divisors (see below), whose sum is σ = 650160. Its totient is φ = 178176.

The previous prime is 394223. The next prime is 394241. The reversal of 394238 is 832493.

It is a self number, because there is not a number n which added to its sum of digits gives 394238.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (40635).

2³⁹⁴²³⁸ is an apocalyptic number.

394238 is a deficient number, since it is larger than the sum of its proper divisors (255922).

394238 is a wasteful number, since it uses less digits than its factorization.

394238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its digits is 5184, while the sum is 29.

The square root of 394238 is about 627.8837472017. The cubic root of 394238 is about 73.3251276402.

The spelling of 394238 in words is "three hundred ninety-four thousand, two hundred thirty-eight".