4229409 has 4 divisors (see below), whose sum is σ = 5639216. Its totient is φ = 2819604.

The previous prime is 4229387. The next prime is 4229411. The reversal of 4229409 is 9049224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4229409 - 2⁹ = 4228897 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4229429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704899 + ... + 704904.

It is an arithmetic number, because the mean of its divisors is an integer number (1409804).

Almost surely, 2^4229409 is an apocalyptic number.

It is an amenable number.

4229409 is a deficient number, since it is larger than the sum of its proper divisors (1409807).

4229409 is a wasteful number, since it uses less digits than its factorization.

4229409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409806.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4229409 is about 2056.5526980848. The cubic root of 4229409 is about 161.7185709746.

The spelling of 4229409 in words is "four million, two hundred twenty-nine thousand, four hundred nine".