4423829 has 2 divisors, whose sum is σ = 4423830. Its totient is φ = 4423828.

The previous prime is 4423823. The next prime is 4423841. The reversal of 4423829 is 9283244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 1684804 = 1655^2 + 1298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4423829 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4423795 and 4423804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211914 + 2211915.

It is an arithmetic number, because the mean of its divisors is an integer number (2211915).

Almost surely, 2^4423829 is an apocalyptic number.

It is an amenable number.

4423829 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423829 is an equidigital number, since it uses as much as digits as its factorization.

4423829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 4423829 is about 2103.2900418154. The cubic root of 4423829 is about 164.1595339333.

The spelling of 4423829 in words is "four million, four hundred twenty-three thousand, eight hundred twenty-nine".