6240309 has 16 divisors (see below), whose sum is σ = 9050688. Its totient is φ = 3808512.

The previous prime is 6240293. The next prime is 6240319. The reversal of 6240309 is 9030426.

It is not a de Polignac number, because 6240309 - 2⁴ = 6240293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234 + ... + 3540.

It is an arithmetic number, because the mean of its divisors is an integer number (565668).

Almost surely, 2^6240309 is an apocalyptic number.

It is an amenable number.

6240309 is a deficient number, since it is larger than the sum of its proper divisors (2810379).

6240309 is a wasteful number, since it uses less digits than its factorization.

6240309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 6240309 is about 2498.0610480931. The cubic root of 6240309 is about 184.1063204845.

The spelling of 6240309 in words is "six million, two hundred forty thousand, three hundred nine".