394427 has 8 divisors (see below), whose sum is σ = 449280. Its totient is φ = 342760.

The previous prime is 394411. The next prime is 394453. The reversal of 394427 is 724493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 394427 - 2⁴ = 394411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 394427.

It is not an unprimeable number, because it can be changed into a prime (394327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527 + ... + 1032.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2³⁹⁴⁴²⁷ is an apocalyptic number.

394427 is a deficient number, since it is larger than the sum of its proper divisors (54853).

394427 is a wasteful number, since it uses less digits than its factorization.

394427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 6048, while the sum is 29.

The square root of 394427 is about 628.0342347357. The cubic root of 394427 is about 73.3368432663.

The spelling of 394427 in words is "three hundred ninety-four thousand, four hundred twenty-seven".