4394533 has 16 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 3631680.

The previous prime is 4394473. The next prime is 4394561. The reversal of 4394533 is 3354934.

It is not a de Polignac number, because 4394533 - 2⁹ = 4394021 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁷ + 3 + 9 + 4¹¹ + 5³ + 3⁸ + 3¹¹ .

4394533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4394495 and 4394504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11103 + ... + 11491.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 2^4394533 is an apocalyptic number.

It is an amenable number.

4394533 is a deficient number, since it is larger than the sum of its proper divisors (847067).

4394533 is a wasteful number, since it uses less digits than its factorization.

4394533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 19440, while the sum is 31.

The square root of 4394533 is about 2096.3141463054. The cubic root of 4394533 is about 163.7963588805.

The spelling of 4394533 in words is "four million, three hundred ninety-four thousand, five hundred thirty-three".