4240009 has 8 divisors (see below), whose sum is σ = 4331520. Its totient is φ = 4149600.

The previous prime is 4240007. The next prime is 4240037. The reversal of 4240009 is 9000424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4240009 - 2¹ = 4240007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4240007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14949 + ... + 15229.

It is an arithmetic number, because the mean of its divisors is an integer number (541440).

Almost surely, 2^4240009 is an apocalyptic number.

It is an amenable number.

4240009 is a deficient number, since it is larger than the sum of its proper divisors (91511).

4240009 is a wasteful number, since it uses less digits than its factorization.

4240009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4240009 is about 2059.1282135894. The cubic root of 4240009 is about 161.8535612102.

The spelling of 4240009 in words is "four million, two hundred forty thousand, nine".