394033 has 4 divisors (see below), whose sum is σ = 396288. Its totient is φ = 391780.

The previous prime is 394019. The next prime is 394039. The reversal of 394033 is 330493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330493 = 167 ⋅1979.

It is a cyclic number.

It is not a de Polignac number, because 394033 - 2⁹ = 393521 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

394033 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 393995 and 394013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841 + ... + 1222.

It is an arithmetic number, because the mean of its divisors is an integer number (99072).

2³⁹⁴⁰³³ is an apocalyptic number.

It is an amenable number.

394033 is a deficient number, since it is larger than the sum of its proper divisors (2255).

394033 is a wasteful number, since it uses less digits than its factorization.

394033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 394033 is about 627.7204791944. The cubic root of 394033 is about 73.3124159809.

The spelling of 394033 in words is "three hundred ninety-four thousand, thirty-three".