4405829 has 2 divisors, whose sum is σ = 4405830. Its totient is φ = 4405828.

The previous prime is 4405789. The next prime is 4405831. The reversal of 4405829 is 9285044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4401604 + 4225 = 2098^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405829 - 2²⁰ = 3357253 is a prime.

It is a super-2 number, since 2×4405829² = 38822658354482, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4405831, it forms a pair of twin primes.

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 = 4405795 and 4405804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4405879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202914 + 2202915.

It is an arithmetic number, because the mean of its divisors is an integer number (2202915).

Almost surely, 2^4405829 is an apocalyptic number.

It is an amenable number.

4405829 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405829 is an equidigital number, since it uses as much as digits as its factorization.

4405829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4405829 is about 2099.0066698322. The cubic root of 4405829 is about 163.9365831546.

The spelling of 4405829 in words is "four million, four hundred five thousand, eight hundred twenty-nine".