4429429 has 2 divisors, whose sum is σ = 4429430. Its totient is φ = 4429428.

The previous prime is 4429427. The next prime is 4429457. The reversal of 4429429 is 9249244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4418404 + 11025 = 2102^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 4429429 - 2¹ = 4429427 is a prime.

Together with 4429427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4429394 and 4429403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4429427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214714 + 2214715.

It is an arithmetic number, because the mean of its divisors is an integer number (2214715).

Almost surely, 2^4429429 is an apocalyptic number.

It is an amenable number.

4429429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4429429 is an equidigital number, since it uses as much as digits as its factorization.

4429429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 4429429 is about 2104.6208684701. The cubic root of 4429429 is about 164.2287730291.

The spelling of 4429429 in words is "four million, four hundred twenty-nine thousand, four hundred twenty-nine".