394043 has 8 divisors (see below), whose sum is σ = 449568. Its totient is φ = 342144.

The previous prime is 394039. The next prime is 394049. The reversal of 394043 is 340493.

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

It is a cyclic number.

It is not a de Polignac number, because 394043 - 2² = 394039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394049) 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, 671 + ... + 1112.

It is an arithmetic number, because the mean of its divisors is an integer number (56196).

2³⁹⁴⁰⁴³ is an apocalyptic number.

394043 is a deficient number, since it is larger than the sum of its proper divisors (55525).

394043 is a wasteful number, since it uses less digits than its factorization.

394043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 394043 is about 627.7284444726. The cubic root of 394043 is about 73.3130361641.

The spelling of 394043 in words is "three hundred ninety-four thousand, forty-three".