394343 has 4 divisors (see below), whose sum is σ = 397320. Its totient is φ = 391368.

The previous prime is 394327. The next prime is 394357. The reversal of 394343 is 343493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343493 = 53 ⋅6481.

It is a cyclic number.

It is not a de Polignac number, because 394343 - 2⁴ = 394327 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 (394363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (99330).

2³⁹⁴³⁴³ is an apocalyptic number.

394343 is a deficient number, since it is larger than the sum of its proper divisors (2977).

394343 is a wasteful number, since it uses less digits than its factorization.

394343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976.

The product of its digits is 3888, while the sum is 26.

The square root of 394343 is about 627.9673558395. The cubic root of 394343 is about 73.3316367835.

It can be divided in two parts, 394 and 343, that added together give a palindrome (737).

The spelling of 394343 in words is "three hundred ninety-four thousand, three hundred forty-three".