2430009 has 6 divisors (see below), whose sum is σ = 3510026. Its totient is φ = 1620000.

The previous prime is 2430007. The next prime is 2430011. The reversal of 2430009 is 9000342.

It is an interprime number because it is at equal distance from previous prime (2430007) and next prime (2430011).

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 356409 = 1440^2 + 597^2 .

It is not a de Polignac number, because 2430009 - 2¹ = 2430007 is a prime.

It is a Duffinian number.

2430009 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2429973 and 2430000.

It is not an unprimeable number, because it can be changed into a prime (2430007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134992 + ... + 135009.

2^2430009 is an apocalyptic number.

It is an amenable number.

2430009 is a deficient number, since it is larger than the sum of its proper divisors (1080017).

2430009 is a wasteful number, since it uses less digits than its factorization.

2430009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270007 (or 270004 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2430009 is about 1558.8486135607. The cubic root of 2430009 is about 134.4423083745.

The spelling of 2430009 in words is "two million, four hundred thirty thousand, nine".