394433 has 4 divisors (see below), whose sum is σ = 424788. Its totient is φ = 364080.

The previous prime is 394411. The next prime is 394453. The reversal of 394433 is 334493.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61504 + 332929 = 248^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 394433 - 2⁶ = 394369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394453) 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, 15158 + ... + 15183.

It is an arithmetic number, because the mean of its divisors is an integer number (106197).

2³⁹⁴⁴³³ is an apocalyptic number.

It is an amenable number.

394433 is a deficient number, since it is larger than the sum of its proper divisors (30355).

394433 is a wasteful number, since it uses less digits than its factorization.

394433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30354.

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

The square root of 394433 is about 628.0390115272. The cubic root of 394433 is about 73.3372151297.

The spelling of 394433 in words is "three hundred ninety-four thousand, four hundred thirty-three".