4239853 has 2 divisors, whose sum is σ = 4239854. Its totient is φ = 4239852.

The previous prime is 4239847. The next prime is 4239857. The reversal of 4239853 is 3589324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4235364 + 4489 = 2058^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 4239853 - 2⁵ = 4239821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4239857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119926 + 2119927.

It is an arithmetic number, because the mean of its divisors is an integer number (2119927).

Almost surely, 2^4239853 is an apocalyptic number.

It is an amenable number.

4239853 is a deficient number, since it is larger than the sum of its proper divisors (1).

4239853 is an equidigital number, since it uses as much as digits as its factorization.

4239853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 4239853 is about 2059.0903331326. The cubic root of 4239853 is about 161.8515761936.

The spelling of 4239853 in words is "four million, two hundred thirty-nine thousand, eight hundred fifty-three".