4359009 has 4 divisors (see below), whose sum is σ = 5812016. Its totient is φ = 2906004.

The previous prime is 4359001. The next prime is 4359031. The reversal of 4359009 is 9009534.

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 4359009 - 2³ = 4359001 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 (4359001) 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, 726499 + ... + 726504.

It is an arithmetic number, because the mean of its divisors is an integer number (1453004).

Almost surely, 2^4359009 is an apocalyptic number.

It is an amenable number.

4359009 is a deficient number, since it is larger than the sum of its proper divisors (1453007).

4359009 is a wasteful number, since it uses less digits than its factorization.

4359009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453006.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 4359009 is about 2087.8239868341. The cubic root of 4359009 is about 163.3538051067.

The spelling of 4359009 in words is "four million, three hundred fifty-nine thousand, nine".