4394843 has 2 divisors, whose sum is σ = 4394844. Its totient is φ = 4394842.

The previous prime is 4394837. The next prime is 4394879. The reversal of 4394843 is 3484934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4394843 - 2⁴ = 4394827 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 4⁷ + 3¹⁰ + 9 + 4⁸ + 8³ + 4¹¹ + 3¹⁰ .

It is not a weakly prime, because it can be changed into another prime (4394893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197421 + 2197422.

It is an arithmetic number, because the mean of its divisors is an integer number (2197422).

Almost surely, 2^4394843 is an apocalyptic number.

4394843 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394843 is an equidigital number, since it uses as much as digits as its factorization.

4394843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 4394843 is about 2096.3880843012. The cubic root of 4394843 is about 163.8002103081.

Subtracting from 4394843 its reverse (3484934), we obtain a palindrome (909909).

The spelling of 4394843 in words is "four million, three hundred ninety-four thousand, eight hundred forty-three".